Home / 1,226,439.20-1,839,659.28-551,732.40

Finding the Fourth Proportional to 1,226,439.20, 1,839,659.28 and 551,732.40

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Solution

The fourth proportional to 1,226,439.20, 1,839,659.28 and 551,732.40 is: 827,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,439.20 : 1,839,659.28 = 551,732.40 : x
  2. Step 2: Convert to fraction form
    1,226,439.20/1,839,659.28 = 551,732.40/x
  3. Step 3: Cross multiply
    1,226,439.20x = 1,839,659.28 × 551,732.40
  4. Step 4: Simplify right side
    1,226,439.20x = 1,014,999,629,736.67
  5. Step 5: Solve for x
    x = 1,014,999,629,736.67/1,226,439.20
  6. Step 6: Final answer
    x = 827,598.82

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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.