Home / 1,005,910.07-1,388,165.73-547,034.50

Finding the Fourth Proportional to 1,005,910.07, 1,388,165.73 and 547,034.50

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Solution

The fourth proportional to 1,005,910.07, 1,388,165.73 and 547,034.50 is: 754,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,910.07 : 1,388,165.73 = 547,034.50 : x
  2. Step 2: Convert to fraction form
    1,005,910.07/1,388,165.73 = 547,034.50/x
  3. Step 3: Cross multiply
    1,005,910.07x = 1,388,165.73 × 547,034.50
  4. Step 4: Simplify right side
    1,005,910.07x = 759,374,542,557.27
  5. Step 5: Solve for x
    x = 759,374,542,557.27/1,005,910.07
  6. Step 6: Final answer
    x = 754,912.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.