Home / 1,278,841.62-1,764,801.54-705,881.94

Finding the Fourth Proportional to 1,278,841.62, 1,764,801.54 and 705,881.94

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Solution

The fourth proportional to 1,278,841.62, 1,764,801.54 and 705,881.94 is: 974,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,841.62 : 1,764,801.54 = 705,881.94 : x
  2. Step 2: Convert to fraction form
    1,278,841.62/1,764,801.54 = 705,881.94/x
  3. Step 3: Cross multiply
    1,278,841.62x = 1,764,801.54 × 705,881.94
  4. Step 4: Simplify right side
    1,278,841.62x = 1,245,741,534,770.19
  5. Step 5: Solve for x
    x = 1,245,741,534,770.19/1,278,841.62
  6. Step 6: Final answer
    x = 974,117.13

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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.