Home / 1,280,231.46-1,766,591.37-707,234.76

Finding the Fourth Proportional to 1,280,231.46, 1,766,591.37 and 707,234.76

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Solution

The fourth proportional to 1,280,231.46, 1,766,591.37 and 707,234.76 is: 975,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,231.46 : 1,766,591.37 = 707,234.76 : x
  2. Step 2: Convert to fraction form
    1,280,231.46/1,766,591.37 = 707,234.76/x
  3. Step 3: Cross multiply
    1,280,231.46x = 1,766,591.37 × 707,234.76
  4. Step 4: Simplify right side
    1,280,231.46x = 1,249,394,823,580.02
  5. Step 5: Solve for x
    x = 1,249,394,823,580.02/1,280,231.46
  6. Step 6: Final answer
    x = 975,913.23

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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.