Home / 1,280,232.46-1,766,592.75-707,235.76

Finding the Fourth Proportional to 1,280,232.46, 1,766,592.75 and 707,235.76

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Solution

The fourth proportional to 1,280,232.46, 1,766,592.75 and 707,235.76 is: 975,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,232.46 : 1,766,592.75 = 707,235.76 : x
  2. Step 2: Convert to fraction form
    1,280,232.46/1,766,592.75 = 707,235.76/x
  3. Step 3: Cross multiply
    1,280,232.46x = 1,766,592.75 × 707,235.76
  4. Step 4: Simplify right side
    1,280,232.46x = 1,249,397,566,156.74
  5. Step 5: Solve for x
    x = 1,249,397,566,156.74/1,280,232.46
  6. Step 6: Final answer
    x = 975,914.61

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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.