Home / 1,422,379.92-1,962,865.17-810,569.10

Finding the Fourth Proportional to 1,422,379.92, 1,962,865.17 and 810,569.10

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Solution

The fourth proportional to 1,422,379.92, 1,962,865.17 and 810,569.10 is: 1,118,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,379.92 : 1,962,865.17 = 810,569.10 : x
  2. Step 2: Convert to fraction form
    1,422,379.92/1,962,865.17 = 810,569.10/x
  3. Step 3: Cross multiply
    1,422,379.92x = 1,962,865.17 × 810,569.10
  4. Step 4: Simplify right side
    1,422,379.92x = 1,591,037,854,268.25
  5. Step 5: Solve for x
    x = 1,591,037,854,268.25/1,422,379.92
  6. Step 6: Final answer
    x = 1,118,574.46

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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.