Home / 1,413,958.11-2,120,663.44-549,391.55

Finding the Fourth Proportional to 1,413,958.11, 2,120,663.44 and 549,391.55

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Solution

The fourth proportional to 1,413,958.11, 2,120,663.44 and 549,391.55 is: 823,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,958.11 : 2,120,663.44 = 549,391.55 : x
  2. Step 2: Convert to fraction form
    1,413,958.11/2,120,663.44 = 549,391.55/x
  3. Step 3: Cross multiply
    1,413,958.11x = 2,120,663.44 × 549,391.55
  4. Step 4: Simplify right side
    1,413,958.11x = 1,165,074,574,796.92
  5. Step 5: Solve for x
    x = 1,165,074,574,796.92/1,413,958.11
  6. Step 6: Final answer
    x = 823,980.97

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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.