Home / 864,154.80-1,296,232.20-814,291.20

Finding the Fourth Proportional to 864,154.80, 1,296,232.20 and 814,291.20

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Solution

The fourth proportional to 864,154.80, 1,296,232.20 and 814,291.20 is: 1,221,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,154.80 : 1,296,232.20 = 814,291.20 : x
  2. Step 2: Convert to fraction form
    864,154.80/1,296,232.20 = 814,291.20/x
  3. Step 3: Cross multiply
    864,154.80x = 1,296,232.20 × 814,291.20
  4. Step 4: Simplify right side
    864,154.80x = 1,055,510,473,616.64
  5. Step 5: Solve for x
    x = 1,055,510,473,616.64/864,154.80
  6. Step 6: Final answer
    x = 1,221,436.80

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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.