Home / 1,465,781.27-2,198,702.27-400,816.76

Finding the Fourth Proportional to 1,465,781.27, 2,198,702.27 and 400,816.76

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Solution

The fourth proportional to 1,465,781.27, 2,198,702.27 and 400,816.76 is: 601,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,781.27 : 2,198,702.27 = 400,816.76 : x
  2. Step 2: Convert to fraction form
    1,465,781.27/2,198,702.27 = 400,816.76/x
  3. Step 3: Cross multiply
    1,465,781.27x = 2,198,702.27 × 400,816.76
  4. Step 4: Simplify right side
    1,465,781.27x = 881,276,710,074.58
  5. Step 5: Solve for x
    x = 881,276,710,074.58/1,465,781.27
  6. Step 6: Final answer
    x = 601,233.44

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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.