Home / 1,382,010.89-1,907,176.88-770,150.25

Finding the Fourth Proportional to 1,382,010.89, 1,907,176.88 and 770,150.25

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Solution

The fourth proportional to 1,382,010.89, 1,907,176.88 and 770,150.25 is: 1,062,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,010.89 : 1,907,176.88 = 770,150.25 : x
  2. Step 2: Convert to fraction form
    1,382,010.89/1,907,176.88 = 770,150.25/x
  3. Step 3: Cross multiply
    1,382,010.89x = 1,907,176.88 × 770,150.25
  4. Step 4: Simplify right side
    1,382,010.89x = 1,468,812,752,851.60
  5. Step 5: Solve for x
    x = 1,468,812,752,851.60/1,382,010.89
  6. Step 6: Final answer
    x = 1,062,808.38

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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.