Home / 1,131,678.02-1,561,584.77-648,214.33

Finding the Fourth Proportional to 1,131,678.02, 1,561,584.77 and 648,214.33

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Solution

The fourth proportional to 1,131,678.02, 1,561,584.77 and 648,214.33 is: 894,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,678.02 : 1,561,584.77 = 648,214.33 : x
  2. Step 2: Convert to fraction form
    1,131,678.02/1,561,584.77 = 648,214.33/x
  3. Step 3: Cross multiply
    1,131,678.02x = 1,561,584.77 × 648,214.33
  4. Step 4: Simplify right side
    1,131,678.02x = 1,012,241,618,278.72
  5. Step 5: Solve for x
    x = 1,012,241,618,278.72/1,131,678.02
  6. Step 6: Final answer
    x = 894,460.80

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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.