Home / 1,251,007.20-1,875,799.71-492,437.43

Finding the Fourth Proportional to 1,251,007.20, 1,875,799.71 and 492,437.43

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Solution

The fourth proportional to 1,251,007.20, 1,875,799.71 and 492,437.43 is: 738,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,007.20 : 1,875,799.71 = 492,437.43 : x
  2. Step 2: Convert to fraction form
    1,251,007.20/1,875,799.71 = 492,437.43/x
  3. Step 3: Cross multiply
    1,251,007.20x = 1,875,799.71 × 492,437.43
  4. Step 4: Simplify right side
    1,251,007.20x = 923,713,988,387.15
  5. Step 5: Solve for x
    x = 923,713,988,387.15/1,251,007.20
  6. Step 6: Final answer
    x = 738,376.24

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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.