Home / 1,022,390.02-1,532,546.07-423,676.90

Finding the Fourth Proportional to 1,022,390.02, 1,532,546.07 and 423,676.90

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Solution

The fourth proportional to 1,022,390.02, 1,532,546.07 and 423,676.90 is: 635,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,390.02 : 1,532,546.07 = 423,676.90 : x
  2. Step 2: Convert to fraction form
    1,022,390.02/1,532,546.07 = 423,676.90/x
  3. Step 3: Cross multiply
    1,022,390.02x = 1,532,546.07 × 423,676.90
  4. Step 4: Simplify right side
    1,022,390.02x = 649,304,368,044.78
  5. Step 5: Solve for x
    x = 649,304,368,044.78/1,022,390.02
  6. Step 6: Final answer
    x = 635,084.81

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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.