Home / 1,254,450.78-1,872,196.22-1,133,382.18

Finding the Fourth Proportional to 1,254,450.78, 1,872,196.22 and 1,133,382.18

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Solution

The fourth proportional to 1,254,450.78, 1,872,196.22 and 1,133,382.18 is: 1,691,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,450.78 : 1,872,196.22 = 1,133,382.18 : x
  2. Step 2: Convert to fraction form
    1,254,450.78/1,872,196.22 = 1,133,382.18/x
  3. Step 3: Cross multiply
    1,254,450.78x = 1,872,196.22 × 1,133,382.18
  4. Step 4: Simplify right side
    1,254,450.78x = 2,121,913,827,544.45
  5. Step 5: Solve for x
    x = 2,121,913,827,544.45/1,254,450.78
  6. Step 6: Final answer
    x = 1,691,508.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.