Home / 1,487,007.40-2,229,257.22-644,924.92

Finding the Fourth Proportional to 1,487,007.40, 2,229,257.22 and 644,924.92

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Solution

The fourth proportional to 1,487,007.40, 2,229,257.22 and 644,924.92 is: 966,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,007.40 : 2,229,257.22 = 644,924.92 : x
  2. Step 2: Convert to fraction form
    1,487,007.40/2,229,257.22 = 644,924.92/x
  3. Step 3: Cross multiply
    1,487,007.40x = 2,229,257.22 × 644,924.92
  4. Step 4: Simplify right side
    1,487,007.40x = 1,437,703,534,267.92
  5. Step 5: Solve for x
    x = 1,437,703,534,267.92/1,487,007.40
  6. Step 6: Final answer
    x = 966,843.56

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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.