Home / 1,128,845.89-1,693,202.91-825,547.26

Finding the Fourth Proportional to 1,128,845.89, 1,693,202.91 and 825,547.26

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Solution

The fourth proportional to 1,128,845.89, 1,693,202.91 and 825,547.26 is: 1,238,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,845.89 : 1,693,202.91 = 825,547.26 : x
  2. Step 2: Convert to fraction form
    1,128,845.89/1,693,202.91 = 825,547.26/x
  3. Step 3: Cross multiply
    1,128,845.89x = 1,693,202.91 × 825,547.26
  4. Step 4: Simplify right side
    1,128,845.89x = 1,397,819,022,974.53
  5. Step 5: Solve for x
    x = 1,397,819,022,974.53/1,128,845.89
  6. Step 6: Final answer
    x = 1,238,272.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.