Home / 1,038,616.38-1,555,109.34-538,930.62

Finding the Fourth Proportional to 1,038,616.38, 1,555,109.34 and 538,930.62

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Solution

The fourth proportional to 1,038,616.38, 1,555,109.34 and 538,930.62 is: 806,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,616.38 : 1,555,109.34 = 538,930.62 : x
  2. Step 2: Convert to fraction form
    1,038,616.38/1,555,109.34 = 538,930.62/x
  3. Step 3: Cross multiply
    1,038,616.38x = 1,555,109.34 × 538,930.62
  4. Step 4: Simplify right side
    1,038,616.38x = 838,096,040,773.99
  5. Step 5: Solve for x
    x = 838,096,040,773.99/1,038,616.38
  6. Step 6: Final answer
    x = 806,935.13

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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.