Home / 1,487,772.82-2,231,869.44-476,658.28

Finding the Fourth Proportional to 1,487,772.82, 2,231,869.44 and 476,658.28

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Solution

The fourth proportional to 1,487,772.82, 2,231,869.44 and 476,658.28 is: 715,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,772.82 : 2,231,869.44 = 476,658.28 : x
  2. Step 2: Convert to fraction form
    1,487,772.82/2,231,869.44 = 476,658.28/x
  3. Step 3: Cross multiply
    1,487,772.82x = 2,231,869.44 × 476,658.28
  4. Step 4: Simplify right side
    1,487,772.82x = 1,063,839,048,454.96
  5. Step 5: Solve for x
    x = 1,063,839,048,454.96/1,487,772.82
  6. Step 6: Final answer
    x = 715,054.77

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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.