Home / 1,031,213.03-1,423,052.60-572,300.96

Finding the Fourth Proportional to 1,031,213.03, 1,423,052.60 and 572,300.96

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Solution

The fourth proportional to 1,031,213.03, 1,423,052.60 and 572,300.96 is: 789,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,213.03 : 1,423,052.60 = 572,300.96 : x
  2. Step 2: Convert to fraction form
    1,031,213.03/1,423,052.60 = 572,300.96/x
  3. Step 3: Cross multiply
    1,031,213.03x = 1,423,052.60 × 572,300.96
  4. Step 4: Simplify right side
    1,031,213.03x = 814,414,359,133.73
  5. Step 5: Solve for x
    x = 814,414,359,133.73/1,031,213.03
  6. Step 6: Final answer
    x = 789,763.45

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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.