Home / 1,101,434.27-1,520,005.46-618,035.15

Finding the Fourth Proportional to 1,101,434.27, 1,520,005.46 and 618,035.15

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Solution

The fourth proportional to 1,101,434.27, 1,520,005.46 and 618,035.15 is: 852,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,434.27 : 1,520,005.46 = 618,035.15 : x
  2. Step 2: Convert to fraction form
    1,101,434.27/1,520,005.46 = 618,035.15/x
  3. Step 3: Cross multiply
    1,101,434.27x = 1,520,005.46 × 618,035.15
  4. Step 4: Simplify right side
    1,101,434.27x = 939,416,791,781.72
  5. Step 5: Solve for x
    x = 939,416,791,781.72/1,101,434.27
  6. Step 6: Final answer
    x = 852,903.18

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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.