Home / 1,448,396.68-1,998,728.18-803,843.72

Finding the Fourth Proportional to 1,448,396.68, 1,998,728.18 and 803,843.72

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Solution

The fourth proportional to 1,448,396.68, 1,998,728.18 and 803,843.72 is: 1,109,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,396.68 : 1,998,728.18 = 803,843.72 : x
  2. Step 2: Convert to fraction form
    1,448,396.68/1,998,728.18 = 803,843.72/x
  3. Step 3: Cross multiply
    1,448,396.68x = 1,998,728.18 × 803,843.72
  4. Step 4: Simplify right side
    1,448,396.68x = 1,606,665,095,480.03
  5. Step 5: Solve for x
    x = 1,606,665,095,480.03/1,448,396.68
  6. Step 6: Final answer
    x = 1,109,271.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.