Home / 1,639,392.47-2,459,252.76-502,141.53

Finding the Fourth Proportional to 1,639,392.47, 2,459,252.76 and 502,141.53

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Solution

The fourth proportional to 1,639,392.47, 2,459,252.76 and 502,141.53 is: 753,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,392.47 : 2,459,252.76 = 502,141.53 : x
  2. Step 2: Convert to fraction form
    1,639,392.47/2,459,252.76 = 502,141.53/x
  3. Step 3: Cross multiply
    1,639,392.47x = 2,459,252.76 × 502,141.53
  4. Step 4: Simplify right side
    1,639,392.47x = 1,234,892,943,563.12
  5. Step 5: Solve for x
    x = 1,234,892,943,563.12/1,639,392.47
  6. Step 6: Final answer
    x = 753,262.54

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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.