Home / 1,487,051.36-2,227,583.28-687,231.44

Finding the Fourth Proportional to 1,487,051.36, 2,227,583.28 and 687,231.44

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Solution

The fourth proportional to 1,487,051.36, 2,227,583.28 and 687,231.44 is: 1,029,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,051.36 : 2,227,583.28 = 687,231.44 : x
  2. Step 2: Convert to fraction form
    1,487,051.36/2,227,583.28 = 687,231.44/x
  3. Step 3: Cross multiply
    1,487,051.36x = 2,227,583.28 × 687,231.44
  4. Step 4: Simplify right side
    1,487,051.36x = 1,530,865,265,234.32
  5. Step 5: Solve for x
    x = 1,530,865,265,234.32/1,487,051.36
  6. Step 6: Final answer
    x = 1,029,463.61

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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.