Home / 913,018.44-1,260,138.42-611,735.88

Finding the Fourth Proportional to 913,018.44, 1,260,138.42 and 611,735.88

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Solution

The fourth proportional to 913,018.44, 1,260,138.42 and 611,735.88 is: 844,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,018.44 : 1,260,138.42 = 611,735.88 : x
  2. Step 2: Convert to fraction form
    913,018.44/1,260,138.42 = 611,735.88/x
  3. Step 3: Cross multiply
    913,018.44x = 1,260,138.42 × 611,735.88
  4. Step 4: Simplify right side
    913,018.44x = 770,871,885,280.51
  5. Step 5: Solve for x
    x = 770,871,885,280.51/913,018.44
  6. Step 6: Final answer
    x = 844,311.41

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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.