Home / 1,214,078.12-1,675,452.32-670,211.72

Finding the Fourth Proportional to 1,214,078.12, 1,675,452.32 and 670,211.72

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Solution

The fourth proportional to 1,214,078.12, 1,675,452.32 and 670,211.72 is: 924,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,078.12 : 1,675,452.32 = 670,211.72 : x
  2. Step 2: Convert to fraction form
    1,214,078.12/1,675,452.32 = 670,211.72/x
  3. Step 3: Cross multiply
    1,214,078.12x = 1,675,452.32 × 670,211.72
  4. Step 4: Simplify right side
    1,214,078.12x = 1,122,907,781,165.19
  5. Step 5: Solve for x
    x = 1,122,907,781,165.19/1,214,078.12
  6. Step 6: Final answer
    x = 924,905.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.