Home / 1,129,839.39-1,559,171.30-677,130.39

Finding the Fourth Proportional to 1,129,839.39, 1,559,171.30 and 677,130.39

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Solution

The fourth proportional to 1,129,839.39, 1,559,171.30 and 677,130.39 is: 934,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,839.39 : 1,559,171.30 = 677,130.39 : x
  2. Step 2: Convert to fraction form
    1,129,839.39/1,559,171.30 = 677,130.39/x
  3. Step 3: Cross multiply
    1,129,839.39x = 1,559,171.30 × 677,130.39
  4. Step 4: Simplify right side
    1,129,839.39x = 1,055,762,267,060.16
  5. Step 5: Solve for x
    x = 1,055,762,267,060.16/1,129,839.39
  6. Step 6: Final answer
    x = 934,435.71

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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.