Home / 1,273,140.14-1,908,523.74-873,968.90

Finding the Fourth Proportional to 1,273,140.14, 1,908,523.74 and 873,968.90

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Solution

The fourth proportional to 1,273,140.14, 1,908,523.74 and 873,968.90 is: 1,310,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,140.14 : 1,908,523.74 = 873,968.90 : x
  2. Step 2: Convert to fraction form
    1,273,140.14/1,908,523.74 = 873,968.90/x
  3. Step 3: Cross multiply
    1,273,140.14x = 1,908,523.74 × 873,968.90
  4. Step 4: Simplify right side
    1,273,140.14x = 1,667,990,393,671.69
  5. Step 5: Solve for x
    x = 1,667,990,393,671.69/1,273,140.14
  6. Step 6: Final answer
    x = 1,310,138.88

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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.