Home / 825,577.20-1,238,365.80-711,415.80

Finding the Fourth Proportional to 825,577.20, 1,238,365.80 and 711,415.80

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Solution

The fourth proportional to 825,577.20, 1,238,365.80 and 711,415.80 is: 1,067,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,577.20 : 1,238,365.80 = 711,415.80 : x
  2. Step 2: Convert to fraction form
    825,577.20/1,238,365.80 = 711,415.80/x
  3. Step 3: Cross multiply
    825,577.20x = 1,238,365.80 × 711,415.80
  4. Step 4: Simplify right side
    825,577.20x = 880,992,996,299.64
  5. Step 5: Solve for x
    x = 880,992,996,299.64/825,577.20
  6. Step 6: Final answer
    x = 1,067,123.70

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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.