Home / 1,198,211.07-1,798,209.25-879,187.32

Finding the Fourth Proportional to 1,198,211.07, 1,798,209.25 and 879,187.32

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Solution

The fourth proportional to 1,198,211.07, 1,798,209.25 and 879,187.32 is: 1,319,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,211.07 : 1,798,209.25 = 879,187.32 : x
  2. Step 2: Convert to fraction form
    1,198,211.07/1,798,209.25 = 879,187.32/x
  3. Step 3: Cross multiply
    1,198,211.07x = 1,798,209.25 × 879,187.32
  4. Step 4: Simplify right side
    1,198,211.07x = 1,580,962,771,306.71
  5. Step 5: Solve for x
    x = 1,580,962,771,306.71/1,198,211.07
  6. Step 6: Final answer
    x = 1,319,435.96

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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.