Home / 1,275,993.53-1,912,184.78-707,624.61

Finding the Fourth Proportional to 1,275,993.53, 1,912,184.78 and 707,624.61

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Solution

The fourth proportional to 1,275,993.53, 1,912,184.78 and 707,624.61 is: 1,060,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,993.53 : 1,912,184.78 = 707,624.61 : x
  2. Step 2: Convert to fraction form
    1,275,993.53/1,912,184.78 = 707,624.61/x
  3. Step 3: Cross multiply
    1,275,993.53x = 1,912,184.78 × 707,624.61
  4. Step 4: Simplify right side
    1,275,993.53x = 1,353,109,005,657.31
  5. Step 5: Solve for x
    x = 1,353,109,005,657.31/1,275,993.53
  6. Step 6: Final answer
    x = 1,060,435.63

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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.