Home / 1,382,001.18-1,907,163.46-770,140.52

Finding the Fourth Proportional to 1,382,001.18, 1,907,163.46 and 770,140.52

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Solution

The fourth proportional to 1,382,001.18, 1,907,163.46 and 770,140.52 is: 1,062,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,001.18 : 1,907,163.46 = 770,140.52 : x
  2. Step 2: Convert to fraction form
    1,382,001.18/1,907,163.46 = 770,140.52/x
  3. Step 3: Cross multiply
    1,382,001.18x = 1,907,163.46 × 770,140.52
  4. Step 4: Simplify right side
    1,382,001.18x = 1,468,783,858,809.40
  5. Step 5: Solve for x
    x = 1,468,783,858,809.40/1,382,001.18
  6. Step 6: Final answer
    x = 1,062,794.94

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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.