Home / 1,242,449.28-1,713,580.11-834,427.98

Finding the Fourth Proportional to 1,242,449.28, 1,713,580.11 and 834,427.98

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Solution

The fourth proportional to 1,242,449.28, 1,713,580.11 and 834,427.98 is: 1,150,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,449.28 : 1,713,580.11 = 834,427.98 : x
  2. Step 2: Convert to fraction form
    1,242,449.28/1,713,580.11 = 834,427.98/x
  3. Step 3: Cross multiply
    1,242,449.28x = 1,713,580.11 × 834,427.98
  4. Step 4: Simplify right side
    1,242,449.28x = 1,429,859,189,755.48
  5. Step 5: Solve for x
    x = 1,429,859,189,755.48/1,242,449.28
  6. Step 6: Final answer
    x = 1,150,839.08

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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.