Home / 1,328,946.28-1,833,919.46-725,338.60

Finding the Fourth Proportional to 1,328,946.28, 1,833,919.46 and 725,338.60

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Solution

The fourth proportional to 1,328,946.28, 1,833,919.46 and 725,338.60 is: 1,000,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,946.28 : 1,833,919.46 = 725,338.60 : x
  2. Step 2: Convert to fraction form
    1,328,946.28/1,833,919.46 = 725,338.60/x
  3. Step 3: Cross multiply
    1,328,946.28x = 1,833,919.46 × 725,338.60
  4. Step 4: Simplify right side
    1,328,946.28x = 1,330,212,573,629.16
  5. Step 5: Solve for x
    x = 1,330,212,573,629.16/1,328,946.28
  6. Step 6: Final answer
    x = 1,000,952.86

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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.