Home / 1,551,736.86-2,141,382.87-872,658.78

Finding the Fourth Proportional to 1,551,736.86, 2,141,382.87 and 872,658.78

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Solution

The fourth proportional to 1,551,736.86, 2,141,382.87 and 872,658.78 is: 1,204,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,736.86 : 2,141,382.87 = 872,658.78 : x
  2. Step 2: Convert to fraction form
    1,551,736.86/2,141,382.87 = 872,658.78/x
  3. Step 3: Cross multiply
    1,551,736.86x = 2,141,382.87 × 872,658.78
  4. Step 4: Simplify right side
    1,551,736.86x = 1,868,696,562,847.10
  5. Step 5: Solve for x
    x = 1,868,696,562,847.10/1,551,736.86
  6. Step 6: Final answer
    x = 1,204,261.24

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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.