Home / 1,170,043.60-1,755,065.40-981,086.80

Finding the Fourth Proportional to 1,170,043.60, 1,755,065.40 and 981,086.80

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Solution

The fourth proportional to 1,170,043.60, 1,755,065.40 and 981,086.80 is: 1,471,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,043.60 : 1,755,065.40 = 981,086.80 : x
  2. Step 2: Convert to fraction form
    1,170,043.60/1,755,065.40 = 981,086.80/x
  3. Step 3: Cross multiply
    1,170,043.60x = 1,755,065.40 × 981,086.80
  4. Step 4: Simplify right side
    1,170,043.60x = 1,721,871,497,076.72
  5. Step 5: Solve for x
    x = 1,721,871,497,076.72/1,170,043.60
  6. Step 6: Final answer
    x = 1,471,630.20

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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.