Home / 1,234,538.02-1,703,728.65-690,641.37

Finding the Fourth Proportional to 1,234,538.02, 1,703,728.65 and 690,641.37

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Solution

The fourth proportional to 1,234,538.02, 1,703,728.65 and 690,641.37 is: 953,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,538.02 : 1,703,728.65 = 690,641.37 : x
  2. Step 2: Convert to fraction form
    1,234,538.02/1,703,728.65 = 690,641.37/x
  3. Step 3: Cross multiply
    1,234,538.02x = 1,703,728.65 × 690,641.37
  4. Step 4: Simplify right side
    1,234,538.02x = 1,176,665,488,944.25
  5. Step 5: Solve for x
    x = 1,176,665,488,944.25/1,234,538.02
  6. Step 6: Final answer
    x = 953,122.12

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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.