Home / 1,010,044.89-1,515,307.91-378,964.17

Finding the Fourth Proportional to 1,010,044.89, 1,515,307.91 and 378,964.17

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Solution

The fourth proportional to 1,010,044.89, 1,515,307.91 and 378,964.17 is: 568,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,044.89 : 1,515,307.91 = 378,964.17 : x
  2. Step 2: Convert to fraction form
    1,010,044.89/1,515,307.91 = 378,964.17/x
  3. Step 3: Cross multiply
    1,010,044.89x = 1,515,307.91 × 378,964.17
  4. Step 4: Simplify right side
    1,010,044.89x = 574,247,408,195.85
  5. Step 5: Solve for x
    x = 574,247,408,195.85/1,010,044.89
  6. Step 6: Final answer
    x = 568,536.52

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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.