Home / 1,025,801.70-1,539,966.15-646,721.70

Finding the Fourth Proportional to 1,025,801.70, 1,539,966.15 and 646,721.70

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Solution

The fourth proportional to 1,025,801.70, 1,539,966.15 and 646,721.70 is: 970,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,801.70 : 1,539,966.15 = 646,721.70 : x
  2. Step 2: Convert to fraction form
    1,025,801.70/1,539,966.15 = 646,721.70/x
  3. Step 3: Cross multiply
    1,025,801.70x = 1,539,966.15 × 646,721.70
  4. Step 4: Simplify right side
    1,025,801.70x = 995,929,526,470.46
  5. Step 5: Solve for x
    x = 995,929,526,470.46/1,025,801.70
  6. Step 6: Final answer
    x = 970,879.19

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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.