Home / 1,215,852.40-1,823,815.48-417,122.38

Finding the Fourth Proportional to 1,215,852.40, 1,823,815.48 and 417,122.38

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Solution

The fourth proportional to 1,215,852.40, 1,823,815.48 and 417,122.38 is: 625,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,852.40 : 1,823,815.48 = 417,122.38 : x
  2. Step 2: Convert to fraction form
    1,215,852.40/1,823,815.48 = 417,122.38/x
  3. Step 3: Cross multiply
    1,215,852.40x = 1,823,815.48 × 417,122.38
  4. Step 4: Simplify right side
    1,215,852.40x = 760,754,253,698.44
  5. Step 5: Solve for x
    x = 760,754,253,698.44/1,215,852.40
  6. Step 6: Final answer
    x = 625,696.22

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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.