Home / 1,040,401.89-1,560,602.85-292,447.89

Finding the Fourth Proportional to 1,040,401.89, 1,560,602.85 and 292,447.89

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Solution

The fourth proportional to 1,040,401.89, 1,560,602.85 and 292,447.89 is: 438,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,401.89 : 1,560,602.85 = 292,447.89 : x
  2. Step 2: Convert to fraction form
    1,040,401.89/1,560,602.85 = 292,447.89/x
  3. Step 3: Cross multiply
    1,040,401.89x = 1,560,602.85 × 292,447.89
  4. Step 4: Simplify right side
    1,040,401.89x = 456,395,010,610.49
  5. Step 5: Solve for x
    x = 456,395,010,610.49/1,040,401.89
  6. Step 6: Final answer
    x = 438,671.84

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Half scale
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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.