Home / 1,143,729.80-1,715,076.30-433,521.80

Finding the Fourth Proportional to 1,143,729.80, 1,715,076.30 and 433,521.80

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Solution

The fourth proportional to 1,143,729.80, 1,715,076.30 and 433,521.80 is: 650,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,729.80 : 1,715,076.30 = 433,521.80 : x
  2. Step 2: Convert to fraction form
    1,143,729.80/1,715,076.30 = 433,521.80/x
  3. Step 3: Cross multiply
    1,143,729.80x = 1,715,076.30 × 433,521.80
  4. Step 4: Simplify right side
    1,143,729.80x = 743,522,964,713.34
  5. Step 5: Solve for x
    x = 743,522,964,713.34/1,143,729.80
  6. Step 6: Final answer
    x = 650,086.20

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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.