Home / 1,125,112.02-1,687,668.03-494,031.30

Finding the Fourth Proportional to 1,125,112.02, 1,687,668.03 and 494,031.30

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Solution

The fourth proportional to 1,125,112.02, 1,687,668.03 and 494,031.30 is: 741,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,112.02 : 1,687,668.03 = 494,031.30 : x
  2. Step 2: Convert to fraction form
    1,125,112.02/1,687,668.03 = 494,031.30/x
  3. Step 3: Cross multiply
    1,125,112.02x = 1,687,668.03 × 494,031.30
  4. Step 4: Simplify right side
    1,125,112.02x = 833,760,830,829.34
  5. Step 5: Solve for x
    x = 833,760,830,829.34/1,125,112.02
  6. Step 6: Final answer
    x = 741,046.95

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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.