Home / 1,274,850.28-1,912,275.42-433,402.03

Finding the Fourth Proportional to 1,274,850.28, 1,912,275.42 and 433,402.03

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Solution

The fourth proportional to 1,274,850.28, 1,912,275.42 and 433,402.03 is: 650,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,850.28 : 1,912,275.42 = 433,402.03 : x
  2. Step 2: Convert to fraction form
    1,274,850.28/1,912,275.42 = 433,402.03/x
  3. Step 3: Cross multiply
    1,274,850.28x = 1,912,275.42 × 433,402.03
  4. Step 4: Simplify right side
    1,274,850.28x = 828,784,048,947.10
  5. Step 5: Solve for x
    x = 828,784,048,947.10/1,274,850.28
  6. Step 6: Final answer
    x = 650,103.05

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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.