Home / 1,121,392.08-1,682,072.28-522,018

Finding the Fourth Proportional to 1,121,392.08, 1,682,072.28 and 522,018

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Solution

The fourth proportional to 1,121,392.08, 1,682,072.28 and 522,018 is: 783,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,392.08 : 1,682,072.28 = 522,018 : x
  2. Step 2: Convert to fraction form
    1,121,392.08/1,682,072.28 = 522,018/x
  3. Step 3: Cross multiply
    1,121,392.08x = 1,682,072.28 × 522,018
  4. Step 4: Simplify right side
    1,121,392.08x = 878,072,007,461.04
  5. Step 5: Solve for x
    x = 878,072,007,461.04/1,121,392.08
  6. Step 6: Final answer
    x = 783,019.63

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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.