Home / 1,178,179.14-1,763,781.06-727,450.76

Finding the Fourth Proportional to 1,178,179.14, 1,763,781.06 and 727,450.76

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Solution

The fourth proportional to 1,178,179.14, 1,763,781.06 and 727,450.76 is: 1,089,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,179.14 : 1,763,781.06 = 727,450.76 : x
  2. Step 2: Convert to fraction form
    1,178,179.14/1,763,781.06 = 727,450.76/x
  3. Step 3: Cross multiply
    1,178,179.14x = 1,763,781.06 × 727,450.76
  4. Step 4: Simplify right side
    1,178,179.14x = 1,283,063,872,570.61
  5. Step 5: Solve for x
    x = 1,283,063,872,570.61/1,178,179.14
  6. Step 6: Final answer
    x = 1,089,022.74

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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.