Home / 938,734.24-1,405,417.92-879,145.76

Finding the Fourth Proportional to 938,734.24, 1,405,417.92 and 879,145.76

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Solution

The fourth proportional to 938,734.24, 1,405,417.92 and 879,145.76 is: 1,316,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,734.24 : 1,405,417.92 = 879,145.76 : x
  2. Step 2: Convert to fraction form
    938,734.24/1,405,417.92 = 879,145.76/x
  3. Step 3: Cross multiply
    938,734.24x = 1,405,417.92 × 879,145.76
  4. Step 4: Simplify right side
    938,734.24x = 1,235,567,205,396.02
  5. Step 5: Solve for x
    x = 1,235,567,205,396.02/938,734.24
  6. Step 6: Final answer
    x = 1,316,205.54

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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.