Home / 1,314,629.25-1,814,188.50-711,017.25

Finding the Fourth Proportional to 1,314,629.25, 1,814,188.50 and 711,017.25

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Solution

The fourth proportional to 1,314,629.25, 1,814,188.50 and 711,017.25 is: 981,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,629.25 : 1,814,188.50 = 711,017.25 : x
  2. Step 2: Convert to fraction form
    1,314,629.25/1,814,188.50 = 711,017.25/x
  3. Step 3: Cross multiply
    1,314,629.25x = 1,814,188.50 × 711,017.25
  4. Step 4: Simplify right side
    1,314,629.25x = 1,289,919,318,251.63
  5. Step 5: Solve for x
    x = 1,289,919,318,251.63/1,314,629.25
  6. Step 6: Final answer
    x = 981,203.88

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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.