Home / 1,561,594.05-2,155,005.60-908,376.84

Finding the Fourth Proportional to 1,561,594.05, 2,155,005.60 and 908,376.84

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Solution

The fourth proportional to 1,561,594.05, 2,155,005.60 and 908,376.84 is: 1,253,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,594.05 : 2,155,005.60 = 908,376.84 : x
  2. Step 2: Convert to fraction form
    1,561,594.05/2,155,005.60 = 908,376.84/x
  3. Step 3: Cross multiply
    1,561,594.05x = 2,155,005.60 × 908,376.84
  4. Step 4: Simplify right side
    1,561,594.05x = 1,957,557,177,110.30
  5. Step 5: Solve for x
    x = 1,957,557,177,110.30/1,561,594.05
  6. Step 6: Final answer
    x = 1,253,563.42

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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.