Home / 1,200,962.80-1,801,161.21-442,392.34

Finding the Fourth Proportional to 1,200,962.80, 1,801,161.21 and 442,392.34

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Solution

The fourth proportional to 1,200,962.80, 1,801,161.21 and 442,392.34 is: 663,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,962.80 : 1,801,161.21 = 442,392.34 : x
  2. Step 2: Convert to fraction form
    1,200,962.80/1,801,161.21 = 442,392.34/x
  3. Step 3: Cross multiply
    1,200,962.80x = 1,801,161.21 × 442,392.34
  4. Step 4: Simplify right side
    1,200,962.80x = 796,819,922,409.13
  5. Step 5: Solve for x
    x = 796,819,922,409.13/1,200,962.80
  6. Step 6: Final answer
    x = 663,484.27

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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.