Home / 1,377,081.16-1,899,817.12-832,271.12

Finding the Fourth Proportional to 1,377,081.16, 1,899,817.12 and 832,271.12

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Solution

The fourth proportional to 1,377,081.16, 1,899,817.12 and 832,271.12 is: 1,148,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,081.16 : 1,899,817.12 = 832,271.12 : x
  2. Step 2: Convert to fraction form
    1,377,081.16/1,899,817.12 = 832,271.12/x
  3. Step 3: Cross multiply
    1,377,081.16x = 1,899,817.12 × 832,271.12
  4. Step 4: Simplify right side
    1,377,081.16x = 1,581,162,922,257.57
  5. Step 5: Solve for x
    x = 1,581,162,922,257.57/1,377,081.16
  6. Step 6: Final answer
    x = 1,148,198.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.