Home / 1,108,241.84-1,661,954.52-398,079.20

Finding the Fourth Proportional to 1,108,241.84, 1,661,954.52 and 398,079.20

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Solution

The fourth proportional to 1,108,241.84, 1,661,954.52 and 398,079.20 is: 596,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,241.84 : 1,661,954.52 = 398,079.20 : x
  2. Step 2: Convert to fraction form
    1,108,241.84/1,661,954.52 = 398,079.20/x
  3. Step 3: Cross multiply
    1,108,241.84x = 1,661,954.52 × 398,079.20
  4. Step 4: Simplify right side
    1,108,241.84x = 661,589,525,757.98
  5. Step 5: Solve for x
    x = 661,589,525,757.98/1,108,241.84
  6. Step 6: Final answer
    x = 596,972.16

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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.