Home / 1,252,040.68-1,878,080.82-305,429.32

Finding the Fourth Proportional to 1,252,040.68, 1,878,080.82 and 305,429.32

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Solution

The fourth proportional to 1,252,040.68, 1,878,080.82 and 305,429.32 is: 458,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,040.68 : 1,878,080.82 = 305,429.32 : x
  2. Step 2: Convert to fraction form
    1,252,040.68/1,878,080.82 = 305,429.32/x
  3. Step 3: Cross multiply
    1,252,040.68x = 1,878,080.82 × 305,429.32
  4. Step 4: Simplify right side
    1,252,040.68x = 573,620,947,757.64
  5. Step 5: Solve for x
    x = 573,620,947,757.64/1,252,040.68
  6. Step 6: Final answer
    x = 458,148.81

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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.