Home / 1,344,159.20-2,016,195.60-445,642.40

Finding the Fourth Proportional to 1,344,159.20, 2,016,195.60 and 445,642.40

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Solution

The fourth proportional to 1,344,159.20, 2,016,195.60 and 445,642.40 is: 668,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,159.20 : 2,016,195.60 = 445,642.40 : x
  2. Step 2: Convert to fraction form
    1,344,159.20/2,016,195.60 = 445,642.40/x
  3. Step 3: Cross multiply
    1,344,159.20x = 2,016,195.60 × 445,642.40
  4. Step 4: Simplify right side
    1,344,159.20x = 898,502,246,053.44
  5. Step 5: Solve for x
    x = 898,502,246,053.44/1,344,159.20
  6. Step 6: Final answer
    x = 668,449.28

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Similar ratio
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1.5x scale

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.