Home / 1,214,081.35-1,675,388.34-670,205.45

Finding the Fourth Proportional to 1,214,081.35, 1,675,388.34 and 670,205.45

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Solution

The fourth proportional to 1,214,081.35, 1,675,388.34 and 670,205.45 is: 924,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,081.35 : 1,675,388.34 = 670,205.45 : x
  2. Step 2: Convert to fraction form
    1,214,081.35/1,675,388.34 = 670,205.45/x
  3. Step 3: Cross multiply
    1,214,081.35x = 1,675,388.34 × 670,205.45
  4. Step 4: Simplify right side
    1,214,081.35x = 1,122,854,396,334.45
  5. Step 5: Solve for x
    x = 1,122,854,396,334.45/1,214,081.35
  6. Step 6: Final answer
    x = 924,859.28

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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.