Home / 1,157,695.28-1,598,174.79-813,825.98

Finding the Fourth Proportional to 1,157,695.28, 1,598,174.79 and 813,825.98

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Solution

The fourth proportional to 1,157,695.28, 1,598,174.79 and 813,825.98 is: 1,123,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,695.28 : 1,598,174.79 = 813,825.98 : x
  2. Step 2: Convert to fraction form
    1,157,695.28/1,598,174.79 = 813,825.98/x
  3. Step 3: Cross multiply
    1,157,695.28x = 1,598,174.79 × 813,825.98
  4. Step 4: Simplify right side
    1,157,695.28x = 1,300,636,164,683.04
  5. Step 5: Solve for x
    x = 1,300,636,164,683.04/1,157,695.28
  6. Step 6: Final answer
    x = 1,123,470.21

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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.