Home / 1,349,433.61-1,862,167.49-737,581.21

Finding the Fourth Proportional to 1,349,433.61, 1,862,167.49 and 737,581.21

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Solution

The fourth proportional to 1,349,433.61, 1,862,167.49 and 737,581.21 is: 1,017,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,433.61 : 1,862,167.49 = 737,581.21 : x
  2. Step 2: Convert to fraction form
    1,349,433.61/1,862,167.49 = 737,581.21/x
  3. Step 3: Cross multiply
    1,349,433.61x = 1,862,167.49 × 737,581.21
  4. Step 4: Simplify right side
    1,349,433.61x = 1,373,499,744,919.47
  5. Step 5: Solve for x
    x = 1,373,499,744,919.47/1,349,433.61
  6. Step 6: Final answer
    x = 1,017,834.25

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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.