Home / 1,145,456.92-1,580,734.23-636,159.28

Finding the Fourth Proportional to 1,145,456.92, 1,580,734.23 and 636,159.28

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Solution

The fourth proportional to 1,145,456.92, 1,580,734.23 and 636,159.28 is: 877,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,456.92 : 1,580,734.23 = 636,159.28 : x
  2. Step 2: Convert to fraction form
    1,145,456.92/1,580,734.23 = 636,159.28/x
  3. Step 3: Cross multiply
    1,145,456.92x = 1,580,734.23 × 636,159.28
  4. Step 4: Simplify right side
    1,145,456.92x = 1,005,598,749,628.15
  5. Step 5: Solve for x
    x = 1,005,598,749,628.15/1,145,456.92
  6. Step 6: Final answer
    x = 877,901.85

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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.