Home / 1,087,510.38-1,500,566.46-628,456.71

Finding the Fourth Proportional to 1,087,510.38, 1,500,566.46 and 628,456.71

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Solution

The fourth proportional to 1,087,510.38, 1,500,566.46 and 628,456.71 is: 867,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,510.38 : 1,500,566.46 = 628,456.71 : x
  2. Step 2: Convert to fraction form
    1,087,510.38/1,500,566.46 = 628,456.71/x
  3. Step 3: Cross multiply
    1,087,510.38x = 1,500,566.46 × 628,456.71
  4. Step 4: Simplify right side
    1,087,510.38x = 943,041,060,587.95
  5. Step 5: Solve for x
    x = 943,041,060,587.95/1,087,510.38
  6. Step 6: Final answer
    x = 867,155.92

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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.