Home / 1,180,640.69-1,770,890.53-694,595.89

Finding the Fourth Proportional to 1,180,640.69, 1,770,890.53 and 694,595.89

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Solution

The fourth proportional to 1,180,640.69, 1,770,890.53 and 694,595.89 is: 1,041,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,640.69 : 1,770,890.53 = 694,595.89 : x
  2. Step 2: Convert to fraction form
    1,180,640.69/1,770,890.53 = 694,595.89/x
  3. Step 3: Cross multiply
    1,180,640.69x = 1,770,890.53 × 694,595.89
  4. Step 4: Simplify right side
    1,180,640.69x = 1,230,053,283,777.92
  5. Step 5: Solve for x
    x = 1,230,053,283,777.92/1,180,640.69
  6. Step 6: Final answer
    x = 1,041,852.36

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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.