Home / 1,309,449.26-1,964,256.90-410,926.42

Finding the Fourth Proportional to 1,309,449.26, 1,964,256.90 and 410,926.42

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Solution

The fourth proportional to 1,309,449.26, 1,964,256.90 and 410,926.42 is: 616,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,449.26 : 1,964,256.90 = 410,926.42 : x
  2. Step 2: Convert to fraction form
    1,309,449.26/1,964,256.90 = 410,926.42/x
  3. Step 3: Cross multiply
    1,309,449.26x = 1,964,256.90 × 410,926.42
  4. Step 4: Simplify right side
    1,309,449.26x = 807,165,055,877.30
  5. Step 5: Solve for x
    x = 807,165,055,877.30/1,309,449.26
  6. Step 6: Final answer
    x = 616,415.68

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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.