Home / 1,106,079.78-1,526,861.91-743,713.68

Finding the Fourth Proportional to 1,106,079.78, 1,526,861.91 and 743,713.68

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Solution

The fourth proportional to 1,106,079.78, 1,526,861.91 and 743,713.68 is: 1,026,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,079.78 : 1,526,861.91 = 743,713.68 : x
  2. Step 2: Convert to fraction form
    1,106,079.78/1,526,861.91 = 743,713.68/x
  3. Step 3: Cross multiply
    1,106,079.78x = 1,526,861.91 × 743,713.68
  4. Step 4: Simplify right side
    1,106,079.78x = 1,135,548,089,937.93
  5. Step 5: Solve for x
    x = 1,135,548,089,937.93/1,106,079.78
  6. Step 6: Final answer
    x = 1,026,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.