Home / 1,214,132.46-1,675,458.78-670,256.55

Finding the Fourth Proportional to 1,214,132.46, 1,675,458.78 and 670,256.55

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Solution

The fourth proportional to 1,214,132.46, 1,675,458.78 and 670,256.55 is: 924,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,132.46 : 1,675,458.78 = 670,256.55 : x
  2. Step 2: Convert to fraction form
    1,214,132.46/1,675,458.78 = 670,256.55/x
  3. Step 3: Cross multiply
    1,214,132.46x = 1,675,458.78 × 670,256.55
  4. Step 4: Simplify right side
    1,214,132.46x = 1,122,987,221,550.01
  5. Step 5: Solve for x
    x = 1,122,987,221,550.01/1,214,132.46
  6. Step 6: Final answer
    x = 924,929.74

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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.