Home / 1,302,488.72-1,954,400.24-620,147.76

Finding the Fourth Proportional to 1,302,488.72, 1,954,400.24 and 620,147.76

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Solution

The fourth proportional to 1,302,488.72, 1,954,400.24 and 620,147.76 is: 930,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,488.72 : 1,954,400.24 = 620,147.76 : x
  2. Step 2: Convert to fraction form
    1,302,488.72/1,954,400.24 = 620,147.76/x
  3. Step 3: Cross multiply
    1,302,488.72x = 1,954,400.24 × 620,147.76
  4. Step 4: Simplify right side
    1,302,488.72x = 1,212,016,930,979.46
  5. Step 5: Solve for x
    x = 1,212,016,930,979.46/1,302,488.72
  6. Step 6: Final answer
    x = 930,539.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.