Home / 1,456,856.94-2,184,912.66-431,947.57

Finding the Fourth Proportional to 1,456,856.94, 2,184,912.66 and 431,947.57

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Solution

The fourth proportional to 1,456,856.94, 2,184,912.66 and 431,947.57 is: 647,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,856.94 : 2,184,912.66 = 431,947.57 : x
  2. Step 2: Convert to fraction form
    1,456,856.94/2,184,912.66 = 431,947.57/x
  3. Step 3: Cross multiply
    1,456,856.94x = 2,184,912.66 × 431,947.57
  4. Step 4: Simplify right side
    1,456,856.94x = 943,767,706,150.10
  5. Step 5: Solve for x
    x = 943,767,706,150.10/1,456,856.94
  6. Step 6: Final answer
    x = 647,810.83

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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.