Home / 1,199,908.98-1,795,440.78-720,428.22

Finding the Fourth Proportional to 1,199,908.98, 1,795,440.78 and 720,428.22

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Solution

The fourth proportional to 1,199,908.98, 1,795,440.78 and 720,428.22 is: 1,077,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,908.98 : 1,795,440.78 = 720,428.22 : x
  2. Step 2: Convert to fraction form
    1,199,908.98/1,795,440.78 = 720,428.22/x
  3. Step 3: Cross multiply
    1,199,908.98x = 1,795,440.78 × 720,428.22
  4. Step 4: Simplify right side
    1,199,908.98x = 1,293,486,205,250.81
  5. Step 5: Solve for x
    x = 1,293,486,205,250.81/1,199,908.98
  6. Step 6: Final answer
    x = 1,077,986.94

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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.