Home / 1,332,488.40-1,995,529.76-762,140.96

Finding the Fourth Proportional to 1,332,488.40, 1,995,529.76 and 762,140.96

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Solution

The fourth proportional to 1,332,488.40, 1,995,529.76 and 762,140.96 is: 1,141,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,488.40 : 1,995,529.76 = 762,140.96 : x
  2. Step 2: Convert to fraction form
    1,332,488.40/1,995,529.76 = 762,140.96/x
  3. Step 3: Cross multiply
    1,332,488.40x = 1,995,529.76 × 762,140.96
  4. Step 4: Simplify right side
    1,332,488.40x = 1,520,874,966,994.97
  5. Step 5: Solve for x
    x = 1,520,874,966,994.97/1,332,488.40
  6. Step 6: Final answer
    x = 1,141,379.52

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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.