Home / 1,551,788.28-2,141,146.68-907,083.72

Finding the Fourth Proportional to 1,551,788.28, 2,141,146.68 and 907,083.72

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Solution

The fourth proportional to 1,551,788.28, 2,141,146.68 and 907,083.72 is: 1,251,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,788.28 : 2,141,146.68 = 907,083.72 : x
  2. Step 2: Convert to fraction form
    1,551,788.28/2,141,146.68 = 907,083.72/x
  3. Step 3: Cross multiply
    1,551,788.28x = 2,141,146.68 × 907,083.72
  4. Step 4: Simplify right side
    1,551,788.28x = 1,942,199,295,560.05
  5. Step 5: Solve for x
    x = 1,942,199,295,560.05/1,551,788.28
  6. Step 6: Final answer
    x = 1,251,587.81

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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.