Home / 1,281,092.80-1,767,876.96-708,118.24

Finding the Fourth Proportional to 1,281,092.80, 1,767,876.96 and 708,118.24

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Solution

The fourth proportional to 1,281,092.80, 1,767,876.96 and 708,118.24 is: 977,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,092.80 : 1,767,876.96 = 708,118.24 : x
  2. Step 2: Convert to fraction form
    1,281,092.80/1,767,876.96 = 708,118.24/x
  3. Step 3: Cross multiply
    1,281,092.80x = 1,767,876.96 × 708,118.24
  4. Step 4: Simplify right side
    1,281,092.80x = 1,251,865,921,451.75
  5. Step 5: Solve for x
    x = 1,251,865,921,451.75/1,281,092.80
  6. Step 6: Final answer
    x = 977,185.98

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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.