Home / 997,686.20-1,496,529.30-981,939.80

Finding the Fourth Proportional to 997,686.20, 1,496,529.30 and 981,939.80

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Solution

The fourth proportional to 997,686.20, 1,496,529.30 and 981,939.80 is: 1,472,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,686.20 : 1,496,529.30 = 981,939.80 : x
  2. Step 2: Convert to fraction form
    997,686.20/1,496,529.30 = 981,939.80/x
  3. Step 3: Cross multiply
    997,686.20x = 1,496,529.30 × 981,939.80
  4. Step 4: Simplify right side
    997,686.20x = 1,469,501,681,536.14
  5. Step 5: Solve for x
    x = 1,469,501,681,536.14/997,686.20
  6. Step 6: Final answer
    x = 1,472,909.70

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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.