Home / 1,553,005.56-2,143,143.28-873,942.06

Finding the Fourth Proportional to 1,553,005.56, 2,143,143.28 and 873,942.06

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Solution

The fourth proportional to 1,553,005.56, 2,143,143.28 and 873,942.06 is: 1,206,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,005.56 : 2,143,143.28 = 873,942.06 : x
  2. Step 2: Convert to fraction form
    1,553,005.56/2,143,143.28 = 873,942.06/x
  3. Step 3: Cross multiply
    1,553,005.56x = 2,143,143.28 × 873,942.06
  4. Step 4: Simplify right side
    1,553,005.56x = 1,872,983,052,998.36
  5. Step 5: Solve for x
    x = 1,872,983,052,998.36/1,553,005.56
  6. Step 6: Final answer
    x = 1,206,037.57

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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.