Home / 1,627,051.68-2,440,718.46-428,964.48

Finding the Fourth Proportional to 1,627,051.68, 2,440,718.46 and 428,964.48

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Solution

The fourth proportional to 1,627,051.68, 2,440,718.46 and 428,964.48 is: 643,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,051.68 : 2,440,718.46 = 428,964.48 : x
  2. Step 2: Convert to fraction form
    1,627,051.68/2,440,718.46 = 428,964.48/x
  3. Step 3: Cross multiply
    1,627,051.68x = 2,440,718.46 × 428,964.48
  4. Step 4: Simplify right side
    1,627,051.68x = 1,046,981,525,020.30
  5. Step 5: Solve for x
    x = 1,046,981,525,020.30/1,627,051.68
  6. Step 6: Final answer
    x = 643,483.88

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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.