Home / 1,305,834.85-1,802,055.60-725,059.09

Finding the Fourth Proportional to 1,305,834.85, 1,802,055.60 and 725,059.09

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Solution

The fourth proportional to 1,305,834.85, 1,802,055.60 and 725,059.09 is: 1,000,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,834.85 : 1,802,055.60 = 725,059.09 : x
  2. Step 2: Convert to fraction form
    1,305,834.85/1,802,055.60 = 725,059.09/x
  3. Step 3: Cross multiply
    1,305,834.85x = 1,802,055.60 × 725,059.09
  4. Step 4: Simplify right side
    1,305,834.85x = 1,306,596,793,465.40
  5. Step 5: Solve for x
    x = 1,306,596,793,465.40/1,305,834.85
  6. Step 6: Final answer
    x = 1,000,583.49

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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.