Home / 1,240,200-1,711,371.24-750,352.02

Finding the Fourth Proportional to 1,240,200, 1,711,371.24 and 750,352.02

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Solution

The fourth proportional to 1,240,200, 1,711,371.24 and 750,352.02 is: 1,035,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,200 : 1,711,371.24 = 750,352.02 : x
  2. Step 2: Convert to fraction form
    1,240,200/1,711,371.24 = 750,352.02/x
  3. Step 3: Cross multiply
    1,240,200x = 1,711,371.24 × 750,352.02
  4. Step 4: Simplify right side
    1,240,200x = 1,284,130,866,903.90
  5. Step 5: Solve for x
    x = 1,284,130,866,903.90/1,240,200
  6. Step 6: Final answer
    x = 1,035,422.41

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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.