Home / 1,420,927.84-2,131,393.12-396,217.18

Finding the Fourth Proportional to 1,420,927.84, 2,131,393.12 and 396,217.18

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Solution

The fourth proportional to 1,420,927.84, 2,131,393.12 and 396,217.18 is: 594,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,927.84 : 2,131,393.12 = 396,217.18 : x
  2. Step 2: Convert to fraction form
    1,420,927.84/2,131,393.12 = 396,217.18/x
  3. Step 3: Cross multiply
    1,420,927.84x = 2,131,393.12 × 396,217.18
  4. Step 4: Simplify right side
    1,420,927.84x = 844,494,571,477.80
  5. Step 5: Solve for x
    x = 844,494,571,477.80/1,420,927.84
  6. Step 6: Final answer
    x = 594,326.15

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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.