Home / 914,242.28-1,370,102.24-689,355.56

Finding the Fourth Proportional to 914,242.28, 1,370,102.24 and 689,355.56

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Solution

The fourth proportional to 914,242.28, 1,370,102.24 and 689,355.56 is: 1,033,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,242.28 : 1,370,102.24 = 689,355.56 : x
  2. Step 2: Convert to fraction form
    914,242.28/1,370,102.24 = 689,355.56/x
  3. Step 3: Cross multiply
    914,242.28x = 1,370,102.24 × 689,355.56
  4. Step 4: Simplify right side
    914,242.28x = 944,487,602,061.10
  5. Step 5: Solve for x
    x = 944,487,602,061.10/914,242.28
  6. Step 6: Final answer
    x = 1,033,082.40

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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.