Home / 1,577,820.80-2,368,286.40-780,003.20

Finding the Fourth Proportional to 1,577,820.80, 2,368,286.40 and 780,003.20

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Solution

The fourth proportional to 1,577,820.80, 2,368,286.40 and 780,003.20 is: 1,170,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,820.80 : 2,368,286.40 = 780,003.20 : x
  2. Step 2: Convert to fraction form
    1,577,820.80/2,368,286.40 = 780,003.20/x
  3. Step 3: Cross multiply
    1,577,820.80x = 2,368,286.40 × 780,003.20
  4. Step 4: Simplify right side
    1,577,820.80x = 1,847,270,970,516.48
  5. Step 5: Solve for x
    x = 1,847,270,970,516.48/1,577,820.80
  6. Step 6: Final answer
    x = 1,170,773.62

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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.