Home / 1,691,989.56-2,335,468.36-1,088,377.56

Finding the Fourth Proportional to 1,691,989.56, 2,335,468.36 and 1,088,377.56

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Solution

The fourth proportional to 1,691,989.56, 2,335,468.36 and 1,088,377.56 is: 1,502,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,989.56 : 2,335,468.36 = 1,088,377.56 : x
  2. Step 2: Convert to fraction form
    1,691,989.56/2,335,468.36 = 1,088,377.56/x
  3. Step 3: Cross multiply
    1,691,989.56x = 2,335,468.36 × 1,088,377.56
  4. Step 4: Simplify right side
    1,691,989.56x = 2,541,871,355,114.00
  5. Step 5: Solve for x
    x = 2,541,871,355,114.00/1,691,989.56
  6. Step 6: Final answer
    x = 1,502,297.30

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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.