Home / 1,274,743.20-1,912,201.20-433,358.40

Finding the Fourth Proportional to 1,274,743.20, 1,912,201.20 and 433,358.40

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Solution

The fourth proportional to 1,274,743.20, 1,912,201.20 and 433,358.40 is: 650,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,743.20 : 1,912,201.20 = 433,358.40 : x
  2. Step 2: Convert to fraction form
    1,274,743.20/1,912,201.20 = 433,358.40/x
  3. Step 3: Cross multiply
    1,274,743.20x = 1,912,201.20 × 433,358.40
  4. Step 4: Simplify right side
    1,274,743.20x = 828,668,452,510.08
  5. Step 5: Solve for x
    x = 828,668,452,510.08/1,274,743.20
  6. Step 6: Final answer
    x = 650,066.97

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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.