Home / 1,340,728.77-1,850,802.09-797,040.57

Finding the Fourth Proportional to 1,340,728.77, 1,850,802.09 and 797,040.57

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Solution

The fourth proportional to 1,340,728.77, 1,850,802.09 and 797,040.57 is: 1,100,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,728.77 : 1,850,802.09 = 797,040.57 : x
  2. Step 2: Convert to fraction form
    1,340,728.77/1,850,802.09 = 797,040.57/x
  3. Step 3: Cross multiply
    1,340,728.77x = 1,850,802.09 × 797,040.57
  4. Step 4: Simplify right side
    1,340,728.77x = 1,475,164,352,770.79
  5. Step 5: Solve for x
    x = 1,475,164,352,770.79/1,340,728.77
  6. Step 6: Final answer
    x = 1,100,270.53

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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.