Home / 1,418,770.30-1,957,029.17-1,011,003.89

Finding the Fourth Proportional to 1,418,770.30, 1,957,029.17 and 1,011,003.89

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Solution

The fourth proportional to 1,418,770.30, 1,957,029.17 and 1,011,003.89 is: 1,394,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,770.30 : 1,957,029.17 = 1,011,003.89 : x
  2. Step 2: Convert to fraction form
    1,418,770.30/1,957,029.17 = 1,011,003.89/x
  3. Step 3: Cross multiply
    1,418,770.30x = 1,957,029.17 × 1,011,003.89
  4. Step 4: Simplify right side
    1,418,770.30x = 1,978,564,103,713.47
  5. Step 5: Solve for x
    x = 1,978,564,103,713.47/1,418,770.30
  6. Step 6: Final answer
    x = 1,394,562.67

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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.