Home / 1,137,210.38-1,568,070.92-929,831.75

Finding the Fourth Proportional to 1,137,210.38, 1,568,070.92 and 929,831.75

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Solution

The fourth proportional to 1,137,210.38, 1,568,070.92 and 929,831.75 is: 1,282,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,210.38 : 1,568,070.92 = 929,831.75 : x
  2. Step 2: Convert to fraction form
    1,137,210.38/1,568,070.92 = 929,831.75/x
  3. Step 3: Cross multiply
    1,137,210.38x = 1,568,070.92 × 929,831.75
  4. Step 4: Simplify right side
    1,137,210.38x = 1,458,042,122,151.93
  5. Step 5: Solve for x
    x = 1,458,042,122,151.93/1,137,210.38
  6. Step 6: Final answer
    x = 1,282,121.72

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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.