Home / 1,212,556.72-1,820,103-503,006.08

Finding the Fourth Proportional to 1,212,556.72, 1,820,103 and 503,006.08

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Solution

The fourth proportional to 1,212,556.72, 1,820,103 and 503,006.08 is: 755,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,556.72 : 1,820,103 = 503,006.08 : x
  2. Step 2: Convert to fraction form
    1,212,556.72/1,820,103 = 503,006.08/x
  3. Step 3: Cross multiply
    1,212,556.72x = 1,820,103 × 503,006.08
  4. Step 4: Simplify right side
    1,212,556.72x = 915,522,875,226.24
  5. Step 5: Solve for x
    x = 915,522,875,226.24/1,212,556.72
  6. Step 6: Final answer
    x = 755,035.09

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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.