Home / 678,591.27-1,017,878.27-166,261.59

Finding the Fourth Proportional to 678,591.27, 1,017,878.27 and 166,261.59

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Solution

The fourth proportional to 678,591.27, 1,017,878.27 and 166,261.59 is: 249,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,591.27 : 1,017,878.27 = 166,261.59 : x
  2. Step 2: Convert to fraction form
    678,591.27/1,017,878.27 = 166,261.59/x
  3. Step 3: Cross multiply
    678,591.27x = 1,017,878.27 × 166,261.59
  4. Step 4: Simplify right side
    678,591.27x = 169,234,058,765.34
  5. Step 5: Solve for x
    x = 169,234,058,765.34/678,591.27
  6. Step 6: Final answer
    x = 249,390.27

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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.