Home / 1,077,102.72-1,617,753.60-877,570.56

Finding the Fourth Proportional to 1,077,102.72, 1,617,753.60 and 877,570.56

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Solution

The fourth proportional to 1,077,102.72, 1,617,753.60 and 877,570.56 is: 1,318,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,102.72 : 1,617,753.60 = 877,570.56 : x
  2. Step 2: Convert to fraction form
    1,077,102.72/1,617,753.60 = 877,570.56/x
  3. Step 3: Cross multiply
    1,077,102.72x = 1,617,753.60 × 877,570.56
  4. Step 4: Simplify right side
    1,077,102.72x = 1,419,692,932,694.02
  5. Step 5: Solve for x
    x = 1,419,692,932,694.02/1,077,102.72
  6. Step 6: Final answer
    x = 1,318,066.43

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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.