Home / 1,098,833.40-1,646,937.90-459,135.90

Finding the Fourth Proportional to 1,098,833.40, 1,646,937.90 and 459,135.90

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Solution

The fourth proportional to 1,098,833.40, 1,646,937.90 and 459,135.90 is: 688,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,833.40 : 1,646,937.90 = 459,135.90 : x
  2. Step 2: Convert to fraction form
    1,098,833.40/1,646,937.90 = 459,135.90/x
  3. Step 3: Cross multiply
    1,098,833.40x = 1,646,937.90 × 459,135.90
  4. Step 4: Simplify right side
    1,098,833.40x = 756,168,314,960.61
  5. Step 5: Solve for x
    x = 756,168,314,960.61/1,098,833.40
  6. Step 6: Final answer
    x = 688,155.56

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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.