Home / 1,361,694.23-2,042,834.95-678,953.35

Finding the Fourth Proportional to 1,361,694.23, 2,042,834.95 and 678,953.35

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Solution

The fourth proportional to 1,361,694.23, 2,042,834.95 and 678,953.35 is: 1,018,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,694.23 : 2,042,834.95 = 678,953.35 : x
  2. Step 2: Convert to fraction form
    1,361,694.23/2,042,834.95 = 678,953.35/x
  3. Step 3: Cross multiply
    1,361,694.23x = 2,042,834.95 × 678,953.35
  4. Step 4: Simplify right side
    1,361,694.23x = 1,386,989,629,404.82
  5. Step 5: Solve for x
    x = 1,386,989,629,404.82/1,361,694.23
  6. Step 6: Final answer
    x = 1,018,576.42

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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.