Home / 1,272,265.08-1,755,021.24-806,265.60

Finding the Fourth Proportional to 1,272,265.08, 1,755,021.24 and 806,265.60

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Solution

The fourth proportional to 1,272,265.08, 1,755,021.24 and 806,265.60 is: 1,112,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,265.08 : 1,755,021.24 = 806,265.60 : x
  2. Step 2: Convert to fraction form
    1,272,265.08/1,755,021.24 = 806,265.60/x
  3. Step 3: Cross multiply
    1,272,265.08x = 1,755,021.24 × 806,265.60
  4. Step 4: Simplify right side
    1,272,265.08x = 1,415,013,253,081.34
  5. Step 5: Solve for x
    x = 1,415,013,253,081.34/1,272,265.08
  6. Step 6: Final answer
    x = 1,112,200.02

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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.