Home / 1,350,105.12-1,863,079.56-769,464.18

Finding the Fourth Proportional to 1,350,105.12, 1,863,079.56 and 769,464.18

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Solution

The fourth proportional to 1,350,105.12, 1,863,079.56 and 769,464.18 is: 1,061,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,105.12 : 1,863,079.56 = 769,464.18 : x
  2. Step 2: Convert to fraction form
    1,350,105.12/1,863,079.56 = 769,464.18/x
  3. Step 3: Cross multiply
    1,350,105.12x = 1,863,079.56 × 769,464.18
  4. Step 4: Simplify right side
    1,350,105.12x = 1,433,572,985,910.16
  5. Step 5: Solve for x
    x = 1,433,572,985,910.16/1,350,105.12
  6. Step 6: Final answer
    x = 1,061,823.23

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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.