Home / 1,557,504.78-2,148,950.43-912,578.46

Finding the Fourth Proportional to 1,557,504.78, 2,148,950.43 and 912,578.46

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Solution

The fourth proportional to 1,557,504.78, 2,148,950.43 and 912,578.46 is: 1,259,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,504.78 : 2,148,950.43 = 912,578.46 : x
  2. Step 2: Convert to fraction form
    1,557,504.78/2,148,950.43 = 912,578.46/x
  3. Step 3: Cross multiply
    1,557,504.78x = 2,148,950.43 × 912,578.46
  4. Step 4: Simplify right side
    1,557,504.78x = 1,961,085,874,025.74
  5. Step 5: Solve for x
    x = 1,961,085,874,025.74/1,557,504.78
  6. Step 6: Final answer
    x = 1,259,120.29

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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.