Home / 1,281,125.56-1,767,876.42-708,131.56

Finding the Fourth Proportional to 1,281,125.56, 1,767,876.42 and 708,131.56

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Solution

The fourth proportional to 1,281,125.56, 1,767,876.42 and 708,131.56 is: 977,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,125.56 : 1,767,876.42 = 708,131.56 : x
  2. Step 2: Convert to fraction form
    1,281,125.56/1,767,876.42 = 708,131.56/x
  3. Step 3: Cross multiply
    1,281,125.56x = 1,767,876.42 × 708,131.56
  4. Step 4: Simplify right side
    1,281,125.56x = 1,251,889,087,181.82
  5. Step 5: Solve for x
    x = 1,251,889,087,181.82/1,281,125.56
  6. Step 6: Final answer
    x = 977,179.07

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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.