Home / 1,129,837.38-1,694,814.39-288,396.42

Finding the Fourth Proportional to 1,129,837.38, 1,694,814.39 and 288,396.42

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Solution

The fourth proportional to 1,129,837.38, 1,694,814.39 and 288,396.42 is: 432,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,837.38 : 1,694,814.39 = 288,396.42 : x
  2. Step 2: Convert to fraction form
    1,129,837.38/1,694,814.39 = 288,396.42/x
  3. Step 3: Cross multiply
    1,129,837.38x = 1,694,814.39 × 288,396.42
  4. Step 4: Simplify right side
    1,129,837.38x = 488,778,402,640.48
  5. Step 5: Solve for x
    x = 488,778,402,640.48/1,129,837.38
  6. Step 6: Final answer
    x = 432,609.52

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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.