Home / 1,195,645.22-1,650,579.46-828,400.80

Finding the Fourth Proportional to 1,195,645.22, 1,650,579.46 and 828,400.80

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Solution

The fourth proportional to 1,195,645.22, 1,650,579.46 and 828,400.80 is: 1,143,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,645.22 : 1,650,579.46 = 828,400.80 : x
  2. Step 2: Convert to fraction form
    1,195,645.22/1,650,579.46 = 828,400.80/x
  3. Step 3: Cross multiply
    1,195,645.22x = 1,650,579.46 × 828,400.80
  4. Step 4: Simplify right side
    1,195,645.22x = 1,367,341,349,246.24
  5. Step 5: Solve for x
    x = 1,367,341,349,246.24/1,195,645.22
  6. Step 6: Final answer
    x = 1,143,601.24

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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.