Home / 1,502,378.64-2,073,279.12-814,069.28

Finding the Fourth Proportional to 1,502,378.64, 2,073,279.12 and 814,069.28

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Solution

The fourth proportional to 1,502,378.64, 2,073,279.12 and 814,069.28 is: 1,123,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,378.64 : 2,073,279.12 = 814,069.28 : x
  2. Step 2: Convert to fraction form
    1,502,378.64/2,073,279.12 = 814,069.28/x
  3. Step 3: Cross multiply
    1,502,378.64x = 2,073,279.12 × 814,069.28
  4. Step 4: Simplify right side
    1,502,378.64x = 1,687,792,840,457.43
  5. Step 5: Solve for x
    x = 1,687,792,840,457.43/1,502,378.64
  6. Step 6: Final answer
    x = 1,123,413.76

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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.