Home / 1,444,395.51-2,163,399.79-987,904.83

Finding the Fourth Proportional to 1,444,395.51, 2,163,399.79 and 987,904.83

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Solution

The fourth proportional to 1,444,395.51, 2,163,399.79 and 987,904.83 is: 1,479,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,395.51 : 2,163,399.79 = 987,904.83 : x
  2. Step 2: Convert to fraction form
    1,444,395.51/2,163,399.79 = 987,904.83/x
  3. Step 3: Cross multiply
    1,444,395.51x = 2,163,399.79 × 987,904.83
  4. Step 4: Simplify right side
    1,444,395.51x = 2,137,233,094,884.12
  5. Step 5: Solve for x
    x = 2,137,233,094,884.12/1,444,395.51
  6. Step 6: Final answer
    x = 1,479,673.04

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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.