Home / 1,031,223.20-1,423,066.60-572,311.12

Finding the Fourth Proportional to 1,031,223.20, 1,423,066.60 and 572,311.12

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Solution

The fourth proportional to 1,031,223.20, 1,423,066.60 and 572,311.12 is: 789,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,223.20 : 1,423,066.60 = 572,311.12 : x
  2. Step 2: Convert to fraction form
    1,031,223.20/1,423,066.60 = 572,311.12/x
  3. Step 3: Cross multiply
    1,031,223.20x = 1,423,066.60 × 572,311.12
  4. Step 4: Simplify right side
    1,031,223.20x = 814,436,839,680.59
  5. Step 5: Solve for x
    x = 814,436,839,680.59/1,031,223.20
  6. Step 6: Final answer
    x = 789,777.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.