Home / 1,167,831.20-1,748,247.60-694,272.80

Finding the Fourth Proportional to 1,167,831.20, 1,748,247.60 and 694,272.80

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Solution

The fourth proportional to 1,167,831.20, 1,748,247.60 and 694,272.80 is: 1,039,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,831.20 : 1,748,247.60 = 694,272.80 : x
  2. Step 2: Convert to fraction form
    1,167,831.20/1,748,247.60 = 694,272.80/x
  3. Step 3: Cross multiply
    1,167,831.20x = 1,748,247.60 × 694,272.80
  4. Step 4: Simplify right side
    1,167,831.20x = 1,213,760,756,345.28
  5. Step 5: Solve for x
    x = 1,213,760,756,345.28/1,167,831.20
  6. Step 6: Final answer
    x = 1,039,328.93

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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.