Home / 1,198,220.08-1,798,222.76-879,196.31

Finding the Fourth Proportional to 1,198,220.08, 1,798,222.76 and 879,196.31

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Solution

The fourth proportional to 1,198,220.08, 1,798,222.76 and 879,196.31 is: 1,319,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,220.08 : 1,798,222.76 = 879,196.31 : x
  2. Step 2: Convert to fraction form
    1,198,220.08/1,798,222.76 = 879,196.31/x
  3. Step 3: Cross multiply
    1,198,220.08x = 1,798,222.76 × 879,196.31
  4. Step 4: Simplify right side
    1,198,220.08x = 1,580,990,826,863.72
  5. Step 5: Solve for x
    x = 1,580,990,826,863.72/1,198,220.08
  6. Step 6: Final answer
    x = 1,319,449.45

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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.