Home / 1,317,785.16-1,976,837.70-371,155.88

Finding the Fourth Proportional to 1,317,785.16, 1,976,837.70 and 371,155.88

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Solution

The fourth proportional to 1,317,785.16, 1,976,837.70 and 371,155.88 is: 556,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,785.16 : 1,976,837.70 = 371,155.88 : x
  2. Step 2: Convert to fraction form
    1,317,785.16/1,976,837.70 = 371,155.88/x
  3. Step 3: Cross multiply
    1,317,785.16x = 1,976,837.70 × 371,155.88
  4. Step 4: Simplify right side
    1,317,785.16x = 733,714,934,304.90
  5. Step 5: Solve for x
    x = 733,714,934,304.90/1,317,785.16
  6. Step 6: Final answer
    x = 556,778.87

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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.