Home / 1,140,086.67-1,706,722.53-689,444.38

Finding the Fourth Proportional to 1,140,086.67, 1,706,722.53 and 689,444.38

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Solution

The fourth proportional to 1,140,086.67, 1,706,722.53 and 689,444.38 is: 1,032,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,086.67 : 1,706,722.53 = 689,444.38 : x
  2. Step 2: Convert to fraction form
    1,140,086.67/1,706,722.53 = 689,444.38/x
  3. Step 3: Cross multiply
    1,140,086.67x = 1,706,722.53 × 689,444.38
  4. Step 4: Simplify right side
    1,140,086.67x = 1,176,690,256,527.88
  5. Step 5: Solve for x
    x = 1,176,690,256,527.88/1,140,086.67
  6. Step 6: Final answer
    x = 1,032,105.97

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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.