Home / 1,165,465.20-1,608,340.44-656,331.60

Finding the Fourth Proportional to 1,165,465.20, 1,608,340.44 and 656,331.60

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Solution

The fourth proportional to 1,165,465.20, 1,608,340.44 and 656,331.60 is: 905,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,465.20 : 1,608,340.44 = 656,331.60 : x
  2. Step 2: Convert to fraction form
    1,165,465.20/1,608,340.44 = 656,331.60/x
  3. Step 3: Cross multiply
    1,165,465.20x = 1,608,340.44 × 656,331.60
  4. Step 4: Simplify right side
    1,165,465.20x = 1,055,604,654,329.90
  5. Step 5: Solve for x
    x = 1,055,604,654,329.90/1,165,465.20
  6. Step 6: Final answer
    x = 905,736.74

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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.