Home / 1,522,881.36-2,101,669.20-878,289.84

Finding the Fourth Proportional to 1,522,881.36, 2,101,669.20 and 878,289.84

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Solution

The fourth proportional to 1,522,881.36, 2,101,669.20 and 878,289.84 is: 1,212,093.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,881.36 : 2,101,669.20 = 878,289.84 : x
  2. Step 2: Convert to fraction form
    1,522,881.36/2,101,669.20 = 878,289.84/x
  3. Step 3: Cross multiply
    1,522,881.36x = 2,101,669.20 × 878,289.84
  4. Step 4: Simplify right side
    1,522,881.36x = 1,845,874,705,400.93
  5. Step 5: Solve for x
    x = 1,845,874,705,400.93/1,522,881.36
  6. Step 6: Final answer
    x = 1,212,093.57

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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.