Home / 1,222,611.80-1,833,917.70-423,627.80

Finding the Fourth Proportional to 1,222,611.80, 1,833,917.70 and 423,627.80

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Solution

The fourth proportional to 1,222,611.80, 1,833,917.70 and 423,627.80 is: 635,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,611.80 : 1,833,917.70 = 423,627.80 : x
  2. Step 2: Convert to fraction form
    1,222,611.80/1,833,917.70 = 423,627.80/x
  3. Step 3: Cross multiply
    1,222,611.80x = 1,833,917.70 × 423,627.80
  4. Step 4: Simplify right side
    1,222,611.80x = 776,898,520,632.06
  5. Step 5: Solve for x
    x = 776,898,520,632.06/1,222,611.80
  6. Step 6: Final answer
    x = 635,441.70

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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.