Home / 1,010,636.20-1,514,111.10-822,629.80

Finding the Fourth Proportional to 1,010,636.20, 1,514,111.10 and 822,629.80

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Solution

The fourth proportional to 1,010,636.20, 1,514,111.10 and 822,629.80 is: 1,232,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,636.20 : 1,514,111.10 = 822,629.80 : x
  2. Step 2: Convert to fraction form
    1,010,636.20/1,514,111.10 = 822,629.80/x
  3. Step 3: Cross multiply
    1,010,636.20x = 1,514,111.10 × 822,629.80
  4. Step 4: Simplify right side
    1,010,636.20x = 1,245,552,911,370.78
  5. Step 5: Solve for x
    x = 1,245,552,911,370.78/1,010,636.20
  6. Step 6: Final answer
    x = 1,232,444.39

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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.