Home / 1,116,717.48-1,541,605.50-687,365.64

Finding the Fourth Proportional to 1,116,717.48, 1,541,605.50 and 687,365.64

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Solution

The fourth proportional to 1,116,717.48, 1,541,605.50 and 687,365.64 is: 948,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,717.48 : 1,541,605.50 = 687,365.64 : x
  2. Step 2: Convert to fraction form
    1,116,717.48/1,541,605.50 = 687,365.64/x
  3. Step 3: Cross multiply
    1,116,717.48x = 1,541,605.50 × 687,365.64
  4. Step 4: Simplify right side
    1,116,717.48x = 1,059,646,651,135.02
  5. Step 5: Solve for x
    x = 1,059,646,651,135.02/1,116,717.48
  6. Step 6: Final answer
    x = 948,894.12

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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.