Home / 1,320,054.75-1,821,675.60-716,442.75

Finding the Fourth Proportional to 1,320,054.75, 1,821,675.60 and 716,442.75

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Solution

The fourth proportional to 1,320,054.75, 1,821,675.60 and 716,442.75 is: 988,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,054.75 : 1,821,675.60 = 716,442.75 : x
  2. Step 2: Convert to fraction form
    1,320,054.75/1,821,675.60 = 716,442.75/x
  3. Step 3: Cross multiply
    1,320,054.75x = 1,821,675.60 × 716,442.75
  4. Step 4: Simplify right side
    1,320,054.75x = 1,305,126,276,471.90
  5. Step 5: Solve for x
    x = 1,305,126,276,471.90/1,320,054.75
  6. Step 6: Final answer
    x = 988,691.02

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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.