Home / 1,040,404.90-1,560,607.36-292,450.90

Finding the Fourth Proportional to 1,040,404.90, 1,560,607.36 and 292,450.90

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Solution

The fourth proportional to 1,040,404.90, 1,560,607.36 and 292,450.90 is: 438,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,404.90 : 1,560,607.36 = 292,450.90 : x
  2. Step 2: Convert to fraction form
    1,040,404.90/1,560,607.36 = 292,450.90/x
  3. Step 3: Cross multiply
    1,040,404.90x = 1,560,607.36 × 292,450.90
  4. Step 4: Simplify right side
    1,040,404.90x = 456,401,026,978.62
  5. Step 5: Solve for x
    x = 456,401,026,978.62/1,040,404.90
  6. Step 6: Final answer
    x = 438,676.35

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Half scale
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Double scale
Find fourth proportional to 1,040,405.90, 1,560,608.86 and 292,451.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.