Home / 1,273,378.54-1,757,225.72-700,418.70

Finding the Fourth Proportional to 1,273,378.54, 1,757,225.72 and 700,418.70

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Solution

The fourth proportional to 1,273,378.54, 1,757,225.72 and 700,418.70 is: 966,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,378.54 : 1,757,225.72 = 700,418.70 : x
  2. Step 2: Convert to fraction form
    1,273,378.54/1,757,225.72 = 700,418.70/x
  3. Step 3: Cross multiply
    1,273,378.54x = 1,757,225.72 × 700,418.70
  4. Step 4: Simplify right side
    1,273,378.54x = 1,230,793,754,408.96
  5. Step 5: Solve for x
    x = 1,230,793,754,408.96/1,273,378.54
  6. Step 6: Final answer
    x = 966,557.64

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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.