Home / 1,002,419.35-1,503,279-403,225.09

Finding the Fourth Proportional to 1,002,419.35, 1,503,279 and 403,225.09

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Solution

The fourth proportional to 1,002,419.35, 1,503,279 and 403,225.09 is: 604,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,419.35 : 1,503,279 = 403,225.09 : x
  2. Step 2: Convert to fraction form
    1,002,419.35/1,503,279 = 403,225.09/x
  3. Step 3: Cross multiply
    1,002,419.35x = 1,503,279 × 403,225.09
  4. Step 4: Simplify right side
    1,002,419.35x = 606,159,806,311.91
  5. Step 5: Solve for x
    x = 606,159,806,311.91/1,002,419.35
  6. Step 6: Final answer
    x = 604,696.83

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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.