Home / 1,278,348.67-1,764,069.60-705,381.40

Finding the Fourth Proportional to 1,278,348.67, 1,764,069.60 and 705,381.40

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Solution

The fourth proportional to 1,278,348.67, 1,764,069.60 and 705,381.40 is: 973,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,348.67 : 1,764,069.60 = 705,381.40 : x
  2. Step 2: Convert to fraction form
    1,278,348.67/1,764,069.60 = 705,381.40/x
  3. Step 3: Cross multiply
    1,278,348.67x = 1,764,069.60 × 705,381.40
  4. Step 4: Simplify right side
    1,278,348.67x = 1,244,341,884,145.44
  5. Step 5: Solve for x
    x = 1,244,341,884,145.44/1,278,348.67
  6. Step 6: Final answer
    x = 973,397.88

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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.