Home / 1,230,991.80-1,845,831.60-520,216.80

Finding the Fourth Proportional to 1,230,991.80, 1,845,831.60 and 520,216.80

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Solution

The fourth proportional to 1,230,991.80, 1,845,831.60 and 520,216.80 is: 780,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,991.80 : 1,845,831.60 = 520,216.80 : x
  2. Step 2: Convert to fraction form
    1,230,991.80/1,845,831.60 = 520,216.80/x
  3. Step 3: Cross multiply
    1,230,991.80x = 1,845,831.60 × 520,216.80
  4. Step 4: Simplify right side
    1,230,991.80x = 960,232,608,290.88
  5. Step 5: Solve for x
    x = 960,232,608,290.88/1,230,991.80
  6. Step 6: Final answer
    x = 780,047.93

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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.