Home / 851,187.72-1,174,721.76-635,954.16

Finding the Fourth Proportional to 851,187.72, 1,174,721.76 and 635,954.16

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Solution

The fourth proportional to 851,187.72, 1,174,721.76 and 635,954.16 is: 877,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,187.72 : 1,174,721.76 = 635,954.16 : x
  2. Step 2: Convert to fraction form
    851,187.72/1,174,721.76 = 635,954.16/x
  3. Step 3: Cross multiply
    851,187.72x = 1,174,721.76 × 635,954.16
  4. Step 4: Simplify right side
    851,187.72x = 747,069,190,114.52
  5. Step 5: Solve for x
    x = 747,069,190,114.52/851,187.72
  6. Step 6: Final answer
    x = 877,678.53

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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.