Home / 1,293,964.40-1,941,335.40-920,716.40

Finding the Fourth Proportional to 1,293,964.40, 1,941,335.40 and 920,716.40

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Solution

The fourth proportional to 1,293,964.40, 1,941,335.40 and 920,716.40 is: 1,381,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,964.40 : 1,941,335.40 = 920,716.40 : x
  2. Step 2: Convert to fraction form
    1,293,964.40/1,941,335.40 = 920,716.40/x
  3. Step 3: Cross multiply
    1,293,964.40x = 1,941,335.40 × 920,716.40
  4. Step 4: Simplify right side
    1,293,964.40x = 1,787,419,340,680.56
  5. Step 5: Solve for x
    x = 1,787,419,340,680.56/1,293,964.40
  6. Step 6: Final answer
    x = 1,381,351.25

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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.