Home / 1,278,730.95-1,764,523.08-705,734.13

Finding the Fourth Proportional to 1,278,730.95, 1,764,523.08 and 705,734.13

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Solution

The fourth proportional to 1,278,730.95, 1,764,523.08 and 705,734.13 is: 973,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,730.95 : 1,764,523.08 = 705,734.13 : x
  2. Step 2: Convert to fraction form
    1,278,730.95/1,764,523.08 = 705,734.13/x
  3. Step 3: Cross multiply
    1,278,730.95x = 1,764,523.08 × 705,734.13
  4. Step 4: Simplify right side
    1,278,730.95x = 1,245,284,160,728.72
  5. Step 5: Solve for x
    x = 1,245,284,160,728.72/1,278,730.95
  6. Step 6: Final answer
    x = 973,843.76

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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.