Home / 839,248.40-1,257,414.56-757,017.20

Finding the Fourth Proportional to 839,248.40, 1,257,414.56 and 757,017.20

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Solution

The fourth proportional to 839,248.40, 1,257,414.56 and 757,017.20 is: 1,134,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,248.40 : 1,257,414.56 = 757,017.20 : x
  2. Step 2: Convert to fraction form
    839,248.40/1,257,414.56 = 757,017.20/x
  3. Step 3: Cross multiply
    839,248.40x = 1,257,414.56 × 757,017.20
  4. Step 4: Simplify right side
    839,248.40x = 951,884,449,450.43
  5. Step 5: Solve for x
    x = 951,884,449,450.43/839,248.40
  6. Step 6: Final answer
    x = 1,134,210.62

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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.