Home / 1,098,825.40-1,646,925.90-459,127.90

Finding the Fourth Proportional to 1,098,825.40, 1,646,925.90 and 459,127.90

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Solution

The fourth proportional to 1,098,825.40, 1,646,925.90 and 459,127.90 is: 688,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,825.40 : 1,646,925.90 = 459,127.90 : x
  2. Step 2: Convert to fraction form
    1,098,825.40/1,646,925.90 = 459,127.90/x
  3. Step 3: Cross multiply
    1,098,825.40x = 1,646,925.90 × 459,127.90
  4. Step 4: Simplify right side
    1,098,825.40x = 756,149,629,922.61
  5. Step 5: Solve for x
    x = 756,149,629,922.61/1,098,825.40
  6. Step 6: Final answer
    x = 688,143.57

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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.