Home / 1,126,831.20-1,554,991.92-617,524.32

Finding the Fourth Proportional to 1,126,831.20, 1,554,991.92 and 617,524.32

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Solution

The fourth proportional to 1,126,831.20, 1,554,991.92 and 617,524.32 is: 852,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,831.20 : 1,554,991.92 = 617,524.32 : x
  2. Step 2: Convert to fraction form
    1,126,831.20/1,554,991.92 = 617,524.32/x
  3. Step 3: Cross multiply
    1,126,831.20x = 1,554,991.92 × 617,524.32
  4. Step 4: Simplify right side
    1,126,831.20x = 960,245,328,003.49
  5. Step 5: Solve for x
    x = 960,245,328,003.49/1,126,831.20
  6. Step 6: Final answer
    x = 852,164.31

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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.