Home / 1,174,456.40-1,761,684.60-991,979.60

Finding the Fourth Proportional to 1,174,456.40, 1,761,684.60 and 991,979.60

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Solution

The fourth proportional to 1,174,456.40, 1,761,684.60 and 991,979.60 is: 1,487,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,456.40 : 1,761,684.60 = 991,979.60 : x
  2. Step 2: Convert to fraction form
    1,174,456.40/1,761,684.60 = 991,979.60/x
  3. Step 3: Cross multiply
    1,174,456.40x = 1,761,684.60 × 991,979.60
  4. Step 4: Simplify right side
    1,174,456.40x = 1,747,555,184,834.16
  5. Step 5: Solve for x
    x = 1,747,555,184,834.16/1,174,456.40
  6. Step 6: Final answer
    x = 1,487,969.40

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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.