Home / 1,522,282.15-2,100,749.20-910,434.82

Finding the Fourth Proportional to 1,522,282.15, 2,100,749.20 and 910,434.82

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Solution

The fourth proportional to 1,522,282.15, 2,100,749.20 and 910,434.82 is: 1,256,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,282.15 : 2,100,749.20 = 910,434.82 : x
  2. Step 2: Convert to fraction form
    1,522,282.15/2,100,749.20 = 910,434.82/x
  3. Step 3: Cross multiply
    1,522,282.15x = 2,100,749.20 × 910,434.82
  4. Step 4: Simplify right side
    1,522,282.15x = 1,912,595,212,239.18
  5. Step 5: Solve for x
    x = 1,912,595,212,239.18/1,522,282.15
  6. Step 6: Final answer
    x = 1,256,399.95

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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.