Home / 1,336,660.07-2,005,363.78-438,733.49

Finding the Fourth Proportional to 1,336,660.07, 2,005,363.78 and 438,733.49

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Solution

The fourth proportional to 1,336,660.07, 2,005,363.78 and 438,733.49 is: 658,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,660.07 : 2,005,363.78 = 438,733.49 : x
  2. Step 2: Convert to fraction form
    1,336,660.07/2,005,363.78 = 438,733.49/x
  3. Step 3: Cross multiply
    1,336,660.07x = 2,005,363.78 × 438,733.49
  4. Step 4: Simplify right side
    1,336,660.07x = 879,820,238,795.34
  5. Step 5: Solve for x
    x = 879,820,238,795.34/1,336,660.07
  6. Step 6: Final answer
    x = 658,222.88

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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.