Home / 1,361,423.52-2,042,439.84-414,868.32

Finding the Fourth Proportional to 1,361,423.52, 2,042,439.84 and 414,868.32

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Solution

The fourth proportional to 1,361,423.52, 2,042,439.84 and 414,868.32 is: 622,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,423.52 : 2,042,439.84 = 414,868.32 : x
  2. Step 2: Convert to fraction form
    1,361,423.52/2,042,439.84 = 414,868.32/x
  3. Step 3: Cross multiply
    1,361,423.52x = 2,042,439.84 × 414,868.32
  4. Step 4: Simplify right side
    1,361,423.52x = 847,343,585,121.87
  5. Step 5: Solve for x
    x = 847,343,585,121.87/1,361,423.52
  6. Step 6: Final answer
    x = 622,395.29

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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.