Home / 1,215,080.71-1,820,624.06-415,926.31

Finding the Fourth Proportional to 1,215,080.71, 1,820,624.06 and 415,926.31

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Solution

The fourth proportional to 1,215,080.71, 1,820,624.06 and 415,926.31 is: 623,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,080.71 : 1,820,624.06 = 415,926.31 : x
  2. Step 2: Convert to fraction form
    1,215,080.71/1,820,624.06 = 415,926.31/x
  3. Step 3: Cross multiply
    1,215,080.71x = 1,820,624.06 × 415,926.31
  4. Step 4: Simplify right side
    1,215,080.71x = 757,245,444,735.36
  5. Step 5: Solve for x
    x = 757,245,444,735.36/1,215,080.71
  6. Step 6: Final answer
    x = 623,205.88

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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.