Home / 3,145,439.58-4,718,151.42-870,956.40

Finding the Fourth Proportional to 3,145,439.58, 4,718,151.42 and 870,956.40

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Solution

The fourth proportional to 3,145,439.58, 4,718,151.42 and 870,956.40 is: 1,306,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,439.58 : 4,718,151.42 = 870,956.40 : x
  2. Step 2: Convert to fraction form
    3,145,439.58/4,718,151.42 = 870,956.40/x
  3. Step 3: Cross multiply
    3,145,439.58x = 4,718,151.42 × 870,956.40
  4. Step 4: Simplify right side
    3,145,439.58x = 4,109,304,175,418.09
  5. Step 5: Solve for x
    x = 4,109,304,175,418.09/3,145,439.58
  6. Step 6: Final answer
    x = 1,306,432.40

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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.