Home / 1,639,391.47-2,459,251.26-502,140.53

Finding the Fourth Proportional to 1,639,391.47, 2,459,251.26 and 502,140.53

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Solution

The fourth proportional to 1,639,391.47, 2,459,251.26 and 502,140.53 is: 753,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,391.47 : 2,459,251.26 = 502,140.53 : x
  2. Step 2: Convert to fraction form
    1,639,391.47/2,459,251.26 = 502,140.53/x
  3. Step 3: Cross multiply
    1,639,391.47x = 2,459,251.26 × 502,140.53
  4. Step 4: Simplify right side
    1,639,391.47x = 1,234,889,737,247.70
  5. Step 5: Solve for x
    x = 1,234,889,737,247.70/1,639,391.47
  6. Step 6: Final answer
    x = 753,261.05

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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.