Home / 1,226,337.30-1,839,797.55-515,999.70

Finding the Fourth Proportional to 1,226,337.30, 1,839,797.55 and 515,999.70

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Solution

The fourth proportional to 1,226,337.30, 1,839,797.55 and 515,999.70 is: 774,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,337.30 : 1,839,797.55 = 515,999.70 : x
  2. Step 2: Convert to fraction form
    1,226,337.30/1,839,797.55 = 515,999.70/x
  3. Step 3: Cross multiply
    1,226,337.30x = 1,839,797.55 × 515,999.70
  4. Step 4: Simplify right side
    1,226,337.30x = 949,334,983,860.74
  5. Step 5: Solve for x
    x = 949,334,983,860.74/1,226,337.30
  6. Step 6: Final answer
    x = 774,122.25

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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.