Home / 1,425,185.03-1,966,755.60-780,628.29

Finding the Fourth Proportional to 1,425,185.03, 1,966,755.60 and 780,628.29

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Solution

The fourth proportional to 1,425,185.03, 1,966,755.60 and 780,628.29 is: 1,077,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,185.03 : 1,966,755.60 = 780,628.29 : x
  2. Step 2: Convert to fraction form
    1,425,185.03/1,966,755.60 = 780,628.29/x
  3. Step 3: Cross multiply
    1,425,185.03x = 1,966,755.60 × 780,628.29
  4. Step 4: Simplify right side
    1,425,185.03x = 1,535,305,067,593.15
  5. Step 5: Solve for x
    x = 1,535,305,067,593.15/1,425,185.03
  6. Step 6: Final answer
    x = 1,077,267.18

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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.