Home / 1,270,354.68-1,904,082.48-511,710.66

Finding the Fourth Proportional to 1,270,354.68, 1,904,082.48 and 511,710.66

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Solution

The fourth proportional to 1,270,354.68, 1,904,082.48 and 511,710.66 is: 766,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,354.68 : 1,904,082.48 = 511,710.66 : x
  2. Step 2: Convert to fraction form
    1,270,354.68/1,904,082.48 = 511,710.66/x
  3. Step 3: Cross multiply
    1,270,354.68x = 1,904,082.48 × 511,710.66
  4. Step 4: Simplify right side
    1,270,354.68x = 974,339,302,535.24
  5. Step 5: Solve for x
    x = 974,339,302,535.24/1,270,354.68
  6. Step 6: Final answer
    x = 766,982.10

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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.