Home / 840,828.40-1,259,399.40-730,236.40

Finding the Fourth Proportional to 840,828.40, 1,259,399.40 and 730,236.40

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Solution

The fourth proportional to 840,828.40, 1,259,399.40 and 730,236.40 is: 1,093,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,828.40 : 1,259,399.40 = 730,236.40 : x
  2. Step 2: Convert to fraction form
    840,828.40/1,259,399.40 = 730,236.40/x
  3. Step 3: Cross multiply
    840,828.40x = 1,259,399.40 × 730,236.40
  4. Step 4: Simplify right side
    840,828.40x = 919,659,284,018.16
  5. Step 5: Solve for x
    x = 919,659,284,018.16/840,828.40
  6. Step 6: Final answer
    x = 1,093,753.83

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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.