Home / 1,222,244.46-1,830,709.89-747,493.74

Finding the Fourth Proportional to 1,222,244.46, 1,830,709.89 and 747,493.74

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Solution

The fourth proportional to 1,222,244.46, 1,830,709.89 and 747,493.74 is: 1,119,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,244.46 : 1,830,709.89 = 747,493.74 : x
  2. Step 2: Convert to fraction form
    1,222,244.46/1,830,709.89 = 747,493.74/x
  3. Step 3: Cross multiply
    1,222,244.46x = 1,830,709.89 × 747,493.74
  4. Step 4: Simplify right side
    1,222,244.46x = 1,368,444,182,531.09
  5. Step 5: Solve for x
    x = 1,368,444,182,531.09/1,222,244.46
  6. Step 6: Final answer
    x = 1,119,615.78

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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.