Home / 1,147,247.52-1,583,299.56-638,049.12

Finding the Fourth Proportional to 1,147,247.52, 1,583,299.56 and 638,049.12

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Solution

The fourth proportional to 1,147,247.52, 1,583,299.56 and 638,049.12 is: 880,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,247.52 : 1,583,299.56 = 638,049.12 : x
  2. Step 2: Convert to fraction form
    1,147,247.52/1,583,299.56 = 638,049.12/x
  3. Step 3: Cross multiply
    1,147,247.52x = 1,583,299.56 × 638,049.12
  4. Step 4: Simplify right side
    1,147,247.52x = 1,010,222,890,954.39
  5. Step 5: Solve for x
    x = 1,010,222,890,954.39/1,147,247.52
  6. Step 6: Final answer
    x = 880,562.28

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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.