Home / 1,309,446.25-1,964,252.40-410,923.42

Finding the Fourth Proportional to 1,309,446.25, 1,964,252.40 and 410,923.42

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Solution

The fourth proportional to 1,309,446.25, 1,964,252.40 and 410,923.42 is: 616,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,446.25 : 1,964,252.40 = 410,923.42 : x
  2. Step 2: Convert to fraction form
    1,309,446.25/1,964,252.40 = 410,923.42/x
  3. Step 3: Cross multiply
    1,309,446.25x = 1,964,252.40 × 410,923.42
  4. Step 4: Simplify right side
    1,309,446.25x = 807,157,313,951.21
  5. Step 5: Solve for x
    x = 807,157,313,951.21/1,309,446.25
  6. Step 6: Final answer
    x = 616,411.18

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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.