Home / 1,129,676.20-1,693,979.70-656,506.60

Finding the Fourth Proportional to 1,129,676.20, 1,693,979.70 and 656,506.60

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Solution

The fourth proportional to 1,129,676.20, 1,693,979.70 and 656,506.60 is: 984,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,676.20 : 1,693,979.70 = 656,506.60 : x
  2. Step 2: Convert to fraction form
    1,129,676.20/1,693,979.70 = 656,506.60/x
  3. Step 3: Cross multiply
    1,129,676.20x = 1,693,979.70 × 656,506.60
  4. Step 4: Simplify right side
    1,129,676.20x = 1,112,108,853,316.02
  5. Step 5: Solve for x
    x = 1,112,108,853,316.02/1,129,676.20
  6. Step 6: Final answer
    x = 984,449.22

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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.