Home / 1,215,818.65-1,823,729.42-317,259.73

Finding the Fourth Proportional to 1,215,818.65, 1,823,729.42 and 317,259.73

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Solution

The fourth proportional to 1,215,818.65, 1,823,729.42 and 317,259.73 is: 475,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,818.65 : 1,823,729.42 = 317,259.73 : x
  2. Step 2: Convert to fraction form
    1,215,818.65/1,823,729.42 = 317,259.73/x
  3. Step 3: Cross multiply
    1,215,818.65x = 1,823,729.42 × 317,259.73
  4. Step 4: Simplify right side
    1,215,818.65x = 578,595,903,382.26
  5. Step 5: Solve for x
    x = 578,595,903,382.26/1,215,818.65
  6. Step 6: Final answer
    x = 475,889.97

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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.