Home / 1,022,851.89-1,411,192.89-660,520.68

Finding the Fourth Proportional to 1,022,851.89, 1,411,192.89 and 660,520.68

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Solution

The fourth proportional to 1,022,851.89, 1,411,192.89 and 660,520.68 is: 911,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,851.89 : 1,411,192.89 = 660,520.68 : x
  2. Step 2: Convert to fraction form
    1,022,851.89/1,411,192.89 = 660,520.68/x
  3. Step 3: Cross multiply
    1,022,851.89x = 1,411,192.89 × 660,520.68
  4. Step 4: Simplify right side
    1,022,851.89x = 932,122,087,313.97
  5. Step 5: Solve for x
    x = 932,122,087,313.97/1,022,851.89
  6. Step 6: Final answer
    x = 911,297.22

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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.