Home / 1,321,811.28-1,982,713.08-375,182.88

Finding the Fourth Proportional to 1,321,811.28, 1,982,713.08 and 375,182.88

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Solution

The fourth proportional to 1,321,811.28, 1,982,713.08 and 375,182.88 is: 562,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,811.28 : 1,982,713.08 = 375,182.88 : x
  2. Step 2: Convert to fraction form
    1,321,811.28/1,982,713.08 = 375,182.88/x
  3. Step 3: Cross multiply
    1,321,811.28x = 1,982,713.08 × 375,182.88
  4. Step 4: Simplify right side
    1,321,811.28x = 743,880,003,568.07
  5. Step 5: Solve for x
    x = 743,880,003,568.07/1,321,811.28
  6. Step 6: Final answer
    x = 562,773.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.