Home / 851,188.72-1,174,723.14-635,955.16

Finding the Fourth Proportional to 851,188.72, 1,174,723.14 and 635,955.16

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Solution

The fourth proportional to 851,188.72, 1,174,723.14 and 635,955.16 is: 877,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,188.72 : 1,174,723.14 = 635,955.16 : x
  2. Step 2: Convert to fraction form
    851,188.72/1,174,723.14 = 635,955.16/x
  3. Step 3: Cross multiply
    851,188.72x = 1,174,723.14 × 635,955.16
  4. Step 4: Simplify right side
    851,188.72x = 747,071,242,454.40
  5. Step 5: Solve for x
    x = 747,071,242,454.40/851,188.72
  6. Step 6: Final answer
    x = 877,679.91

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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.