Home / 1,579,357.46-2,179,513.64-891,175.38

Finding the Fourth Proportional to 1,579,357.46, 2,179,513.64 and 891,175.38

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Solution

The fourth proportional to 1,579,357.46, 2,179,513.64 and 891,175.38 is: 1,229,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,357.46 : 2,179,513.64 = 891,175.38 : x
  2. Step 2: Convert to fraction form
    1,579,357.46/2,179,513.64 = 891,175.38/x
  3. Step 3: Cross multiply
    1,579,357.46x = 2,179,513.64 × 891,175.38
  4. Step 4: Simplify right side
    1,579,357.46x = 1,942,328,896,342.18
  5. Step 5: Solve for x
    x = 1,942,328,896,342.18/1,579,357.46
  6. Step 6: Final answer
    x = 1,229,822.22

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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.