Home / 1,372,147.28-2,057,121.84-652,127.52

Finding the Fourth Proportional to 1,372,147.28, 2,057,121.84 and 652,127.52

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Solution

The fourth proportional to 1,372,147.28, 2,057,121.84 and 652,127.52 is: 977,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,147.28 : 2,057,121.84 = 652,127.52 : x
  2. Step 2: Convert to fraction form
    1,372,147.28/2,057,121.84 = 652,127.52/x
  3. Step 3: Cross multiply
    1,372,147.28x = 2,057,121.84 × 652,127.52
  4. Step 4: Simplify right side
    1,372,147.28x = 1,341,505,763,857.04
  5. Step 5: Solve for x
    x = 1,341,505,763,857.04/1,372,147.28
  6. Step 6: Final answer
    x = 977,668.93

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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.