Home / 1,331,847.48-1,998,067.07-621,488.01

Finding the Fourth Proportional to 1,331,847.48, 1,998,067.07 and 621,488.01

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Solution

The fourth proportional to 1,331,847.48, 1,998,067.07 and 621,488.01 is: 932,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,847.48 : 1,998,067.07 = 621,488.01 : x
  2. Step 2: Convert to fraction form
    1,331,847.48/1,998,067.07 = 621,488.01/x
  3. Step 3: Cross multiply
    1,331,847.48x = 1,998,067.07 × 621,488.01
  4. Step 4: Simplify right side
    1,331,847.48x = 1,241,774,728,734.55
  5. Step 5: Solve for x
    x = 1,241,774,728,734.55/1,331,847.48
  6. Step 6: Final answer
    x = 932,370.07

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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.