Home / 1,214,120.28-1,675,476.60-670,256.82

Finding the Fourth Proportional to 1,214,120.28, 1,675,476.60 and 670,256.82

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Solution

The fourth proportional to 1,214,120.28, 1,675,476.60 and 670,256.82 is: 924,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,120.28 : 1,675,476.60 = 670,256.82 : x
  2. Step 2: Convert to fraction form
    1,214,120.28/1,675,476.60 = 670,256.82/x
  3. Step 3: Cross multiply
    1,214,120.28x = 1,675,476.60 × 670,256.82
  4. Step 4: Simplify right side
    1,214,120.28x = 1,122,999,617,900.41
  5. Step 5: Solve for x
    x = 1,122,999,617,900.41/1,214,120.28
  6. Step 6: Final answer
    x = 924,949.23

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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.