Home / 1,129,682.70-1,693,989.45-656,513.10

Finding the Fourth Proportional to 1,129,682.70, 1,693,989.45 and 656,513.10

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Solution

The fourth proportional to 1,129,682.70, 1,693,989.45 and 656,513.10 is: 984,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,682.70 : 1,693,989.45 = 656,513.10 : x
  2. Step 2: Convert to fraction form
    1,129,682.70/1,693,989.45 = 656,513.10/x
  3. Step 3: Cross multiply
    1,129,682.70x = 1,693,989.45 × 656,513.10
  4. Step 4: Simplify right side
    1,129,682.70x = 1,112,126,265,186.80
  5. Step 5: Solve for x
    x = 1,112,126,265,186.80/1,129,682.70
  6. Step 6: Final answer
    x = 984,458.97

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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.