Home / 1,340,697.35-1,850,174.33-728,851.29

Finding the Fourth Proportional to 1,340,697.35, 1,850,174.33 and 728,851.29

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Solution

The fourth proportional to 1,340,697.35, 1,850,174.33 and 728,851.29 is: 1,005,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,697.35 : 1,850,174.33 = 728,851.29 : x
  2. Step 2: Convert to fraction form
    1,340,697.35/1,850,174.33 = 728,851.29/x
  3. Step 3: Cross multiply
    1,340,697.35x = 1,850,174.33 × 728,851.29
  4. Step 4: Simplify right side
    1,340,697.35x = 1,348,501,943,501.13
  5. Step 5: Solve for x
    x = 1,348,501,943,501.13/1,340,697.35
  6. Step 6: Final answer
    x = 1,005,821.30

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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.