Home / 1,001,382.56-1,505,223.12-869,900.12

Finding the Fourth Proportional to 1,001,382.56, 1,505,223.12 and 869,900.12

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Solution

The fourth proportional to 1,001,382.56, 1,505,223.12 and 869,900.12 is: 1,307,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,382.56 : 1,505,223.12 = 869,900.12 : x
  2. Step 2: Convert to fraction form
    1,001,382.56/1,505,223.12 = 869,900.12/x
  3. Step 3: Cross multiply
    1,001,382.56x = 1,505,223.12 × 869,900.12
  4. Step 4: Simplify right side
    1,001,382.56x = 1,309,393,772,714.77
  5. Step 5: Solve for x
    x = 1,309,393,772,714.77/1,001,382.56
  6. Step 6: Final answer
    x = 1,307,585.96

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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.