Home / 756,032.40-1,131,424.20-693,046.80

Finding the Fourth Proportional to 756,032.40, 1,131,424.20 and 693,046.80

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Solution

The fourth proportional to 756,032.40, 1,131,424.20 and 693,046.80 is: 1,037,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,032.40 : 1,131,424.20 = 693,046.80 : x
  2. Step 2: Convert to fraction form
    756,032.40/1,131,424.20 = 693,046.80/x
  3. Step 3: Cross multiply
    756,032.40x = 1,131,424.20 × 693,046.80
  4. Step 4: Simplify right side
    756,032.40x = 784,129,921,252.56
  5. Step 5: Solve for x
    x = 784,129,921,252.56/756,032.40
  6. Step 6: Final answer
    x = 1,037,164.44

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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.