Home / 1,242,884.10-1,715,968.07-851,072.72

Finding the Fourth Proportional to 1,242,884.10, 1,715,968.07 and 851,072.72

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Solution

The fourth proportional to 1,242,884.10, 1,715,968.07 and 851,072.72 is: 1,175,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,884.10 : 1,715,968.07 = 851,072.72 : x
  2. Step 2: Convert to fraction form
    1,242,884.10/1,715,968.07 = 851,072.72/x
  3. Step 3: Cross multiply
    1,242,884.10x = 1,715,968.07 × 851,072.72
  4. Step 4: Simplify right side
    1,242,884.10x = 1,460,413,604,188.21
  5. Step 5: Solve for x
    x = 1,460,413,604,188.21/1,242,884.10
  6. Step 6: Final answer
    x = 1,175,019.94

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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.