Home / 1,309,446.49-1,964,252.78-410,923.66

Finding the Fourth Proportional to 1,309,446.49, 1,964,252.78 and 410,923.66

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Solution

The fourth proportional to 1,309,446.49, 1,964,252.78 and 410,923.66 is: 616,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,446.49 : 1,964,252.78 = 410,923.66 : x
  2. Step 2: Convert to fraction form
    1,309,446.49/1,964,252.78 = 410,923.66/x
  3. Step 3: Cross multiply
    1,309,446.49x = 1,964,252.78 × 410,923.66
  4. Step 4: Simplify right side
    1,309,446.49x = 807,157,941,522.78
  5. Step 5: Solve for x
    x = 807,157,941,522.78/1,309,446.49
  6. Step 6: Final answer
    x = 616,411.55

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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.