Home / 1,146,695.20-1,719,605.40-347,711.20

Finding the Fourth Proportional to 1,146,695.20, 1,719,605.40 and 347,711.20

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Solution

The fourth proportional to 1,146,695.20, 1,719,605.40 and 347,711.20 is: 521,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,695.20 : 1,719,605.40 = 347,711.20 : x
  2. Step 2: Convert to fraction form
    1,146,695.20/1,719,605.40 = 347,711.20/x
  3. Step 3: Cross multiply
    1,146,695.20x = 1,719,605.40 × 347,711.20
  4. Step 4: Simplify right side
    1,146,695.20x = 597,926,057,160.48
  5. Step 5: Solve for x
    x = 597,926,057,160.48/1,146,695.20
  6. Step 6: Final answer
    x = 521,434.17

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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.