Home / 1,332,887.40-1,998,018.90-659,072.70

Finding the Fourth Proportional to 1,332,887.40, 1,998,018.90 and 659,072.70

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Solution

The fourth proportional to 1,332,887.40, 1,998,018.90 and 659,072.70 is: 987,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,887.40 : 1,998,018.90 = 659,072.70 : x
  2. Step 2: Convert to fraction form
    1,332,887.40/1,998,018.90 = 659,072.70/x
  3. Step 3: Cross multiply
    1,332,887.40x = 1,998,018.90 × 659,072.70
  4. Step 4: Simplify right side
    1,332,887.40x = 1,316,839,711,074.03
  5. Step 5: Solve for x
    x = 1,316,839,711,074.03/1,332,887.40
  6. Step 6: Final answer
    x = 987,960.21

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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.