Home / 1,350,143.40-2,024,891.10-780,292.20

Finding the Fourth Proportional to 1,350,143.40, 2,024,891.10 and 780,292.20

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Solution

The fourth proportional to 1,350,143.40, 2,024,891.10 and 780,292.20 is: 1,170,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,143.40 : 2,024,891.10 = 780,292.20 : x
  2. Step 2: Convert to fraction form
    1,350,143.40/2,024,891.10 = 780,292.20/x
  3. Step 3: Cross multiply
    1,350,143.40x = 2,024,891.10 × 780,292.20
  4. Step 4: Simplify right side
    1,350,143.40x = 1,580,006,731,179.42
  5. Step 5: Solve for x
    x = 1,580,006,731,179.42/1,350,143.40
  6. Step 6: Final answer
    x = 1,170,251.05

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1.5x scale

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.