Home / 1,038,704.43-1,558,258.61-398,961.14

Finding the Fourth Proportional to 1,038,704.43, 1,558,258.61 and 398,961.14

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Solution

The fourth proportional to 1,038,704.43, 1,558,258.61 and 398,961.14 is: 598,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,704.43 : 1,558,258.61 = 398,961.14 : x
  2. Step 2: Convert to fraction form
    1,038,704.43/1,558,258.61 = 398,961.14/x
  3. Step 3: Cross multiply
    1,038,704.43x = 1,558,258.61 × 398,961.14
  4. Step 4: Simplify right side
    1,038,704.43x = 621,684,621,674.32
  5. Step 5: Solve for x
    x = 621,684,621,674.32/1,038,704.43
  6. Step 6: Final answer
    x = 598,519.27

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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.