Home / 1,276,220.34-1,912,525.83-707,851.85

Finding the Fourth Proportional to 1,276,220.34, 1,912,525.83 and 707,851.85

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Solution

The fourth proportional to 1,276,220.34, 1,912,525.83 and 707,851.85 is: 1,060,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,220.34 : 1,912,525.83 = 707,851.85 : x
  2. Step 2: Convert to fraction form
    1,276,220.34/1,912,525.83 = 707,851.85/x
  3. Step 3: Cross multiply
    1,276,220.34x = 1,912,525.83 × 707,851.85
  4. Step 4: Simplify right side
    1,276,220.34x = 1,353,784,937,375.66
  5. Step 5: Solve for x
    x = 1,353,784,937,375.66/1,276,220.34
  6. Step 6: Final answer
    x = 1,060,776.81

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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.