Home / 1,445,893.20-1,995,332.60-801,354.90

Finding the Fourth Proportional to 1,445,893.20, 1,995,332.60 and 801,354.90

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Solution

The fourth proportional to 1,445,893.20, 1,995,332.60 and 801,354.90 is: 1,105,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,893.20 : 1,995,332.60 = 801,354.90 : x
  2. Step 2: Convert to fraction form
    1,445,893.20/1,995,332.60 = 801,354.90/x
  3. Step 3: Cross multiply
    1,445,893.20x = 1,995,332.60 × 801,354.90
  4. Step 4: Simplify right side
    1,445,893.20x = 1,598,969,552,132.97
  5. Step 5: Solve for x
    x = 1,598,969,552,132.97/1,445,893.20
  6. Step 6: Final answer
    x = 1,105,869.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.