Home / 1,228,423.80-1,843,802.10-756,031.80

Finding the Fourth Proportional to 1,228,423.80, 1,843,802.10 and 756,031.80

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Solution

The fourth proportional to 1,228,423.80, 1,843,802.10 and 756,031.80 is: 1,134,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,423.80 : 1,843,802.10 = 756,031.80 : x
  2. Step 2: Convert to fraction form
    1,228,423.80/1,843,802.10 = 756,031.80/x
  3. Step 3: Cross multiply
    1,228,423.80x = 1,843,802.10 × 756,031.80
  4. Step 4: Simplify right side
    1,228,423.80x = 1,393,973,020,506.78
  5. Step 5: Solve for x
    x = 1,393,973,020,506.78/1,228,423.80
  6. Step 6: Final answer
    x = 1,134,765.56

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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.