Home / 1,068,757.07-1,604,215.85-947,969.55

Finding the Fourth Proportional to 1,068,757.07, 1,604,215.85 and 947,969.55

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Solution

The fourth proportional to 1,068,757.07, 1,604,215.85 and 947,969.55 is: 1,422,912.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,757.07 : 1,604,215.85 = 947,969.55 : x
  2. Step 2: Convert to fraction form
    1,068,757.07/1,604,215.85 = 947,969.55/x
  3. Step 3: Cross multiply
    1,068,757.07x = 1,604,215.85 × 947,969.55
  4. Step 4: Simplify right side
    1,068,757.07x = 1,520,747,772,687.52
  5. Step 5: Solve for x
    x = 1,520,747,772,687.52/1,068,757.07
  6. Step 6: Final answer
    x = 1,422,912.49

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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.