Home / 1,320,809.83-1,979,831.97-552,747.60

Finding the Fourth Proportional to 1,320,809.83, 1,979,831.97 and 552,747.60

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Solution

The fourth proportional to 1,320,809.83, 1,979,831.97 and 552,747.60 is: 828,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,809.83 : 1,979,831.97 = 552,747.60 : x
  2. Step 2: Convert to fraction form
    1,320,809.83/1,979,831.97 = 552,747.60/x
  3. Step 3: Cross multiply
    1,320,809.83x = 1,979,831.97 × 552,747.60
  4. Step 4: Simplify right side
    1,320,809.83x = 1,094,347,369,418.79
  5. Step 5: Solve for x
    x = 1,094,347,369,418.79/1,320,809.83
  6. Step 6: Final answer
    x = 828,542.72

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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.