Home / 1,314,960.32-1,814,644.32-711,348.80

Finding the Fourth Proportional to 1,314,960.32, 1,814,644.32 and 711,348.80

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Solution

The fourth proportional to 1,314,960.32, 1,814,644.32 and 711,348.80 is: 981,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,960.32 : 1,814,644.32 = 711,348.80 : x
  2. Step 2: Convert to fraction form
    1,314,960.32/1,814,644.32 = 711,348.80/x
  3. Step 3: Cross multiply
    1,314,960.32x = 1,814,644.32 × 711,348.80
  4. Step 4: Simplify right side
    1,314,960.32x = 1,290,845,059,458.82
  5. Step 5: Solve for x
    x = 1,290,845,059,458.82/1,314,960.32
  6. Step 6: Final answer
    x = 981,660.85

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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.