Home / 1,307,012.73-1,960,640.06-508,354.89

Finding the Fourth Proportional to 1,307,012.73, 1,960,640.06 and 508,354.89

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Solution

The fourth proportional to 1,307,012.73, 1,960,640.06 and 508,354.89 is: 762,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,012.73 : 1,960,640.06 = 508,354.89 : x
  2. Step 2: Convert to fraction form
    1,307,012.73/1,960,640.06 = 508,354.89/x
  3. Step 3: Cross multiply
    1,307,012.73x = 1,960,640.06 × 508,354.89
  4. Step 4: Simplify right side
    1,307,012.73x = 996,700,959,489.12
  5. Step 5: Solve for x
    x = 996,700,959,489.12/1,307,012.73
  6. Step 6: Final answer
    x = 762,579.38

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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.