Home / 1,228,532.16-1,842,891.52-418,664.88

Finding the Fourth Proportional to 1,228,532.16, 1,842,891.52 and 418,664.88

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Solution

The fourth proportional to 1,228,532.16, 1,842,891.52 and 418,664.88 is: 628,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,532.16 : 1,842,891.52 = 418,664.88 : x
  2. Step 2: Convert to fraction form
    1,228,532.16/1,842,891.52 = 418,664.88/x
  3. Step 3: Cross multiply
    1,228,532.16x = 1,842,891.52 × 418,664.88
  4. Step 4: Simplify right side
    1,228,532.16x = 771,553,957,073.82
  5. Step 5: Solve for x
    x = 771,553,957,073.82/1,228,532.16
  6. Step 6: Final answer
    x = 628,029.11

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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.