Home / 1,344,114.70-2,016,128.85-445,597.90

Finding the Fourth Proportional to 1,344,114.70, 2,016,128.85 and 445,597.90

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Solution

The fourth proportional to 1,344,114.70, 2,016,128.85 and 445,597.90 is: 668,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,114.70 : 2,016,128.85 = 445,597.90 : x
  2. Step 2: Convert to fraction form
    1,344,114.70/2,016,128.85 = 445,597.90/x
  3. Step 3: Cross multiply
    1,344,114.70x = 2,016,128.85 × 445,597.90
  4. Step 4: Simplify right side
    1,344,114.70x = 898,382,781,689.42
  5. Step 5: Solve for x
    x = 898,382,781,689.42/1,344,114.70
  6. Step 6: Final answer
    x = 668,382.53

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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.