Home / 1,040,405.90-1,560,608.86-292,451.90

Finding the Fourth Proportional to 1,040,405.90, 1,560,608.86 and 292,451.90

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Solution

The fourth proportional to 1,040,405.90, 1,560,608.86 and 292,451.90 is: 438,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,405.90 : 1,560,608.86 = 292,451.90 : x
  2. Step 2: Convert to fraction form
    1,040,405.90/1,560,608.86 = 292,451.90/x
  3. Step 3: Cross multiply
    1,040,405.90x = 1,560,608.86 × 292,451.90
  4. Step 4: Simplify right side
    1,040,405.90x = 456,403,026,263.83
  5. Step 5: Solve for x
    x = 456,403,026,263.83/1,040,405.90
  6. Step 6: Final answer
    x = 438,677.85

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Double scale
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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.