Home / 938,736.24-1,405,420.92-879,147.76

Finding the Fourth Proportional to 938,736.24, 1,405,420.92 and 879,147.76

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Solution

The fourth proportional to 938,736.24, 1,405,420.92 and 879,147.76 is: 1,316,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,736.24 : 1,405,420.92 = 879,147.76 : x
  2. Step 2: Convert to fraction form
    938,736.24/1,405,420.92 = 879,147.76/x
  3. Step 3: Cross multiply
    938,736.24x = 1,405,420.92 × 879,147.76
  4. Step 4: Simplify right side
    938,736.24x = 1,235,572,653,675.14
  5. Step 5: Solve for x
    x = 1,235,572,653,675.14/938,736.24
  6. Step 6: Final answer
    x = 1,316,208.54

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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.