Home / 1,398,170.94-2,092,745.61-723,322.92

Finding the Fourth Proportional to 1,398,170.94, 2,092,745.61 and 723,322.92

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Solution

The fourth proportional to 1,398,170.94, 2,092,745.61 and 723,322.92 is: 1,082,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,170.94 : 2,092,745.61 = 723,322.92 : x
  2. Step 2: Convert to fraction form
    1,398,170.94/2,092,745.61 = 723,322.92/x
  3. Step 3: Cross multiply
    1,398,170.94x = 2,092,745.61 × 723,322.92
  4. Step 4: Simplify right side
    1,398,170.94x = 1,513,730,865,442.38
  5. Step 5: Solve for x
    x = 1,513,730,865,442.38/1,398,170.94
  6. Step 6: Final answer
    x = 1,082,650.78

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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.