Home / 1,377,692.38-2,066,545.15-418,156.31

Finding the Fourth Proportional to 1,377,692.38, 2,066,545.15 and 418,156.31

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Solution

The fourth proportional to 1,377,692.38, 2,066,545.15 and 418,156.31 is: 627,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,692.38 : 2,066,545.15 = 418,156.31 : x
  2. Step 2: Convert to fraction form
    1,377,692.38/2,066,545.15 = 418,156.31/x
  3. Step 3: Cross multiply
    1,377,692.38x = 2,066,545.15 × 418,156.31
  4. Step 4: Simplify right side
    1,377,692.38x = 864,138,889,221.18
  5. Step 5: Solve for x
    x = 864,138,889,221.18/1,377,692.38
  6. Step 6: Final answer
    x = 627,236.46

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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.