Home / 1,276,221.34-1,912,527.33-707,852.85

Finding the Fourth Proportional to 1,276,221.34, 1,912,527.33 and 707,852.85

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Solution

The fourth proportional to 1,276,221.34, 1,912,527.33 and 707,852.85 is: 1,060,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,221.34 : 1,912,527.33 = 707,852.85 : x
  2. Step 2: Convert to fraction form
    1,276,221.34/1,912,527.33 = 707,852.85/x
  3. Step 3: Cross multiply
    1,276,221.34x = 1,912,527.33 × 707,852.85
  4. Step 4: Simplify right side
    1,276,221.34x = 1,353,787,921,243.39
  5. Step 5: Solve for x
    x = 1,353,787,921,243.39/1,276,221.34
  6. Step 6: Final answer
    x = 1,060,778.31

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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.