Home / 1,008,390-1,512,584.96-691,887.36

Finding the Fourth Proportional to 1,008,390, 1,512,584.96 and 691,887.36

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Solution

The fourth proportional to 1,008,390, 1,512,584.96 and 691,887.36 is: 1,037,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,390 : 1,512,584.96 = 691,887.36 : x
  2. Step 2: Convert to fraction form
    1,008,390/1,512,584.96 = 691,887.36/x
  3. Step 3: Cross multiply
    1,008,390x = 1,512,584.96 × 691,887.36
  4. Step 4: Simplify right side
    1,008,390x = 1,046,538,414,750.11
  5. Step 5: Solve for x
    x = 1,046,538,414,750.11/1,008,390
  6. Step 6: Final answer
    x = 1,037,831.01

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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.