Home / 1,293,957.20-1,941,227.40-395,440.40

Finding the Fourth Proportional to 1,293,957.20, 1,941,227.40 and 395,440.40

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Solution

The fourth proportional to 1,293,957.20, 1,941,227.40 and 395,440.40 is: 593,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,957.20 : 1,941,227.40 = 395,440.40 : x
  2. Step 2: Convert to fraction form
    1,293,957.20/1,941,227.40 = 395,440.40/x
  3. Step 3: Cross multiply
    1,293,957.20x = 1,941,227.40 × 395,440.40
  4. Step 4: Simplify right side
    1,293,957.20x = 767,639,739,546.96
  5. Step 5: Solve for x
    x = 767,639,739,546.96/1,293,957.20
  6. Step 6: Final answer
    x = 593,249.71

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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.