Home / 1,222,406.55-1,833,609.83-907,478.55

Finding the Fourth Proportional to 1,222,406.55, 1,833,609.83 and 907,478.55

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Solution

The fourth proportional to 1,222,406.55, 1,833,609.83 and 907,478.55 is: 1,361,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,406.55 : 1,833,609.83 = 907,478.55 : x
  2. Step 2: Convert to fraction form
    1,222,406.55/1,833,609.83 = 907,478.55/x
  3. Step 3: Cross multiply
    1,222,406.55x = 1,833,609.83 × 907,478.55
  4. Step 4: Simplify right side
    1,222,406.55x = 1,663,961,585,256.75
  5. Step 5: Solve for x
    x = 1,663,961,585,256.75/1,222,406.55
  6. Step 6: Final answer
    x = 1,361,217.83

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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.