Home / 864,031.20-1,296,046.80-769,552.80

Finding the Fourth Proportional to 864,031.20, 1,296,046.80 and 769,552.80

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Solution

The fourth proportional to 864,031.20, 1,296,046.80 and 769,552.80 is: 1,154,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,031.20 : 1,296,046.80 = 769,552.80 : x
  2. Step 2: Convert to fraction form
    864,031.20/1,296,046.80 = 769,552.80/x
  3. Step 3: Cross multiply
    864,031.20x = 1,296,046.80 × 769,552.80
  4. Step 4: Simplify right side
    864,031.20x = 997,376,443,871.04
  5. Step 5: Solve for x
    x = 997,376,443,871.04/864,031.20
  6. Step 6: Final answer
    x = 1,154,329.20

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1.5x scale

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.