Home / 1,213,418.58-1,820,128.68-503,255.94

Finding the Fourth Proportional to 1,213,418.58, 1,820,128.68 and 503,255.94

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Solution

The fourth proportional to 1,213,418.58, 1,820,128.68 and 503,255.94 is: 754,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,418.58 : 1,820,128.68 = 503,255.94 : x
  2. Step 2: Convert to fraction form
    1,213,418.58/1,820,128.68 = 503,255.94/x
  3. Step 3: Cross multiply
    1,213,418.58x = 1,820,128.68 × 503,255.94
  4. Step 4: Simplify right side
    1,213,418.58x = 915,990,569,774.36
  5. Step 5: Solve for x
    x = 915,990,569,774.36/1,213,418.58
  6. Step 6: Final answer
    x = 754,884.25

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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.