Home / 1,339,850.69-1,849,076.67-766,877.75

Finding the Fourth Proportional to 1,339,850.69, 1,849,076.67 and 766,877.75

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Solution

The fourth proportional to 1,339,850.69, 1,849,076.67 and 766,877.75 is: 1,058,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,850.69 : 1,849,076.67 = 766,877.75 : x
  2. Step 2: Convert to fraction form
    1,339,850.69/1,849,076.67 = 766,877.75/x
  3. Step 3: Cross multiply
    1,339,850.69x = 1,849,076.67 × 766,877.75
  4. Step 4: Simplify right side
    1,339,850.69x = 1,418,015,747,021.71
  5. Step 5: Solve for x
    x = 1,418,015,747,021.71/1,339,850.69
  6. Step 6: Final answer
    x = 1,058,338.64

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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.