Home / 1,199,757.38-1,799,272.56-630,831.92

Finding the Fourth Proportional to 1,199,757.38, 1,799,272.56 and 630,831.92

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Solution

The fourth proportional to 1,199,757.38, 1,799,272.56 and 630,831.92 is: 946,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,757.38 : 1,799,272.56 = 630,831.92 : x
  2. Step 2: Convert to fraction form
    1,199,757.38/1,799,272.56 = 630,831.92/x
  3. Step 3: Cross multiply
    1,199,757.38x = 1,799,272.56 × 630,831.92
  4. Step 4: Simplify right side
    1,199,757.38x = 1,135,038,563,628.12
  5. Step 5: Solve for x
    x = 1,135,038,563,628.12/1,199,757.38
  6. Step 6: Final answer
    x = 946,056.75

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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.