Home / 1,859,315.11-2,788,605.43-511,129.85

Finding the Fourth Proportional to 1,859,315.11, 2,788,605.43 and 511,129.85

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Solution

The fourth proportional to 1,859,315.11, 2,788,605.43 and 511,129.85 is: 766,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,315.11 : 2,788,605.43 = 511,129.85 : x
  2. Step 2: Convert to fraction form
    1,859,315.11/2,788,605.43 = 511,129.85/x
  3. Step 3: Cross multiply
    1,859,315.11x = 2,788,605.43 × 511,129.85
  4. Step 4: Simplify right side
    1,859,315.11x = 1,425,339,459,924.23
  5. Step 5: Solve for x
    x = 1,425,339,459,924.23/1,859,315.11
  6. Step 6: Final answer
    x = 766,593.81

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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.