Home / 1,821,761.70-2,732,642.55-559,425.30

Finding the Fourth Proportional to 1,821,761.70, 2,732,642.55 and 559,425.30

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Solution

The fourth proportional to 1,821,761.70, 2,732,642.55 and 559,425.30 is: 839,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,761.70 : 2,732,642.55 = 559,425.30 : x
  2. Step 2: Convert to fraction form
    1,821,761.70/2,732,642.55 = 559,425.30/x
  3. Step 3: Cross multiply
    1,821,761.70x = 2,732,642.55 × 559,425.30
  4. Step 4: Simplify right side
    1,821,761.70x = 1,528,709,378,326.52
  5. Step 5: Solve for x
    x = 1,528,709,378,326.52/1,821,761.70
  6. Step 6: Final answer
    x = 839,137.95

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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.