Home / 1,610,720.82-2,222,747.73-885,567.78

Finding the Fourth Proportional to 1,610,720.82, 2,222,747.73 and 885,567.78

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Solution

The fourth proportional to 1,610,720.82, 2,222,747.73 and 885,567.78 is: 1,222,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,720.82 : 2,222,747.73 = 885,567.78 : x
  2. Step 2: Convert to fraction form
    1,610,720.82/2,222,747.73 = 885,567.78/x
  3. Step 3: Cross multiply
    1,610,720.82x = 2,222,747.73 × 885,567.78
  4. Step 4: Simplify right side
    1,610,720.82x = 1,968,393,772,756.14
  5. Step 5: Solve for x
    x = 1,968,393,772,756.14/1,610,720.82
  6. Step 6: Final answer
    x = 1,222,057.70

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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.