Home / 839,926.62-1,260,068.54-271,340.35

Finding the Fourth Proportional to 839,926.62, 1,260,068.54 and 271,340.35

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Solution

The fourth proportional to 839,926.62, 1,260,068.54 and 271,340.35 is: 407,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,926.62 : 1,260,068.54 = 271,340.35 : x
  2. Step 2: Convert to fraction form
    839,926.62/1,260,068.54 = 271,340.35/x
  3. Step 3: Cross multiply
    839,926.62x = 1,260,068.54 × 271,340.35
  4. Step 4: Simplify right side
    839,926.62x = 341,907,434,160.72
  5. Step 5: Solve for x
    x = 341,907,434,160.72/839,926.62
  6. Step 6: Final answer
    x = 407,068.22

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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.