Home / 1,339,849.19-1,849,074.60-766,876.25

Finding the Fourth Proportional to 1,339,849.19, 1,849,074.60 and 766,876.25

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Solution

The fourth proportional to 1,339,849.19, 1,849,074.60 and 766,876.25 is: 1,058,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,849.19 : 1,849,074.60 = 766,876.25 : x
  2. Step 2: Convert to fraction form
    1,339,849.19/1,849,074.60 = 766,876.25/x
  3. Step 3: Cross multiply
    1,339,849.19x = 1,849,074.60 × 766,876.25
  4. Step 4: Simplify right side
    1,339,849.19x = 1,418,011,385,972.88
  5. Step 5: Solve for x
    x = 1,418,011,385,972.88/1,339,849.19
  6. Step 6: Final answer
    x = 1,058,336.57

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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.