Home / 1,520,992.22-2,098,969.31-841,928.72

Finding the Fourth Proportional to 1,520,992.22, 2,098,969.31 and 841,928.72

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Solution

The fourth proportional to 1,520,992.22, 2,098,969.31 and 841,928.72 is: 1,161,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,992.22 : 2,098,969.31 = 841,928.72 : x
  2. Step 2: Convert to fraction form
    1,520,992.22/2,098,969.31 = 841,928.72/x
  3. Step 3: Cross multiply
    1,520,992.22x = 2,098,969.31 × 841,928.72
  4. Step 4: Simplify right side
    1,520,992.22x = 1,767,182,540,277.94
  5. Step 5: Solve for x
    x = 1,767,182,540,277.94/1,520,992.22
  6. Step 6: Final answer
    x = 1,161,861.66

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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.