Home / 1,234,330.87-1,703,296.59-690,372.53

Finding the Fourth Proportional to 1,234,330.87, 1,703,296.59 and 690,372.53

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Solution

The fourth proportional to 1,234,330.87, 1,703,296.59 and 690,372.53 is: 952,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,330.87 : 1,703,296.59 = 690,372.53 : x
  2. Step 2: Convert to fraction form
    1,234,330.87/1,703,296.59 = 690,372.53/x
  3. Step 3: Cross multiply
    1,234,330.87x = 1,703,296.59 × 690,372.53
  4. Step 4: Simplify right side
    1,234,330.87x = 1,175,909,176,178.67
  5. Step 5: Solve for x
    x = 1,175,909,176,178.67/1,234,330.87
  6. Step 6: Final answer
    x = 952,669.34

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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.