Home / 1,107,251.90-1,660,877.78-265,803.65

Finding the Fourth Proportional to 1,107,251.90, 1,660,877.78 and 265,803.65

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Solution

The fourth proportional to 1,107,251.90, 1,660,877.78 and 265,803.65 is: 398,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,251.90 : 1,660,877.78 = 265,803.65 : x
  2. Step 2: Convert to fraction form
    1,107,251.90/1,660,877.78 = 265,803.65/x
  3. Step 3: Cross multiply
    1,107,251.90x = 1,660,877.78 × 265,803.65
  4. Step 4: Simplify right side
    1,107,251.90x = 441,467,366,494.49
  5. Step 5: Solve for x
    x = 441,467,366,494.49/1,107,251.90
  6. Step 6: Final answer
    x = 398,705.45

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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.