Home / 1,137,478.38-1,568,999.32-864,948.80

Finding the Fourth Proportional to 1,137,478.38, 1,568,999.32 and 864,948.80

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Solution

The fourth proportional to 1,137,478.38, 1,568,999.32 and 864,948.80 is: 1,193,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,478.38 : 1,568,999.32 = 864,948.80 : x
  2. Step 2: Convert to fraction form
    1,137,478.38/1,568,999.32 = 864,948.80/x
  3. Step 3: Cross multiply
    1,137,478.38x = 1,568,999.32 × 864,948.80
  4. Step 4: Simplify right side
    1,137,478.38x = 1,357,104,079,034.82
  5. Step 5: Solve for x
    x = 1,357,104,079,034.82/1,137,478.38
  6. Step 6: Final answer
    x = 1,193,081.21

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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.