Home / 1,108,471.10-1,529,560.13-625,007.43

Finding the Fourth Proportional to 1,108,471.10, 1,529,560.13 and 625,007.43

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Solution

The fourth proportional to 1,108,471.10, 1,529,560.13 and 625,007.43 is: 862,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,471.10 : 1,529,560.13 = 625,007.43 : x
  2. Step 2: Convert to fraction form
    1,108,471.10/1,529,560.13 = 625,007.43/x
  3. Step 3: Cross multiply
    1,108,471.10x = 1,529,560.13 × 625,007.43
  4. Step 4: Simplify right side
    1,108,471.10x = 955,986,442,756.73
  5. Step 5: Solve for x
    x = 955,986,442,756.73/1,108,471.10
  6. Step 6: Final answer
    x = 862,436.96

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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.