Home / 1,240,380.24-1,711,619.64-750,532.20

Finding the Fourth Proportional to 1,240,380.24, 1,711,619.64 and 750,532.20

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Solution

The fourth proportional to 1,240,380.24, 1,711,619.64 and 750,532.20 is: 1,035,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,380.24 : 1,711,619.64 = 750,532.20 : x
  2. Step 2: Convert to fraction form
    1,240,380.24/1,711,619.64 = 750,532.20/x
  3. Step 3: Cross multiply
    1,240,380.24x = 1,711,619.64 × 750,532.20
  4. Step 4: Simplify right side
    1,240,380.24x = 1,284,625,653,972.41
  5. Step 5: Solve for x
    x = 1,284,625,653,972.41/1,240,380.24
  6. Step 6: Final answer
    x = 1,035,670.85

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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.