Home / 1,242,881.91-1,715,965.05-851,070.52

Finding the Fourth Proportional to 1,242,881.91, 1,715,965.05 and 851,070.52

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Solution

The fourth proportional to 1,242,881.91, 1,715,965.05 and 851,070.52 is: 1,175,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,881.91 : 1,715,965.05 = 851,070.52 : x
  2. Step 2: Convert to fraction form
    1,242,881.91/1,715,965.05 = 851,070.52/x
  3. Step 3: Cross multiply
    1,242,881.91x = 1,715,965.05 × 851,070.52
  4. Step 4: Simplify right side
    1,242,881.91x = 1,460,407,267,959.39
  5. Step 5: Solve for x
    x = 1,460,407,267,959.39/1,242,881.91
  6. Step 6: Final answer
    x = 1,175,016.92

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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.