Home / 1,280,233.46-1,766,594.13-707,236.76

Finding the Fourth Proportional to 1,280,233.46, 1,766,594.13 and 707,236.76

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Solution

The fourth proportional to 1,280,233.46, 1,766,594.13 and 707,236.76 is: 975,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,233.46 : 1,766,594.13 = 707,236.76 : x
  2. Step 2: Convert to fraction form
    1,280,233.46/1,766,594.13 = 707,236.76/x
  3. Step 3: Cross multiply
    1,280,233.46x = 1,766,594.13 × 707,236.76
  4. Step 4: Simplify right side
    1,280,233.46x = 1,249,400,308,736.22
  5. Step 5: Solve for x
    x = 1,249,400,308,736.22/1,280,233.46
  6. Step 6: Final answer
    x = 975,915.99

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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.