Home / 1,275,993.28-1,912,184.40-707,624.36

Finding the Fourth Proportional to 1,275,993.28, 1,912,184.40 and 707,624.36

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Solution

The fourth proportional to 1,275,993.28, 1,912,184.40 and 707,624.36 is: 1,060,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,993.28 : 1,912,184.40 = 707,624.36 : x
  2. Step 2: Convert to fraction form
    1,275,993.28/1,912,184.40 = 707,624.36/x
  3. Step 3: Cross multiply
    1,275,993.28x = 1,912,184.40 × 707,624.36
  4. Step 4: Simplify right side
    1,275,993.28x = 1,353,108,262,251.98
  5. Step 5: Solve for x
    x = 1,353,108,262,251.98/1,275,993.28
  6. Step 6: Final answer
    x = 1,060,435.26

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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.