Home / 1,752,279.40-2,628,224.70-490,234.60

Finding the Fourth Proportional to 1,752,279.40, 2,628,224.70 and 490,234.60

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Solution

The fourth proportional to 1,752,279.40, 2,628,224.70 and 490,234.60 is: 735,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,279.40 : 2,628,224.70 = 490,234.60 : x
  2. Step 2: Convert to fraction form
    1,752,279.40/2,628,224.70 = 490,234.60/x
  3. Step 3: Cross multiply
    1,752,279.40x = 2,628,224.70 × 490,234.60
  4. Step 4: Simplify right side
    1,752,279.40x = 1,288,446,684,514.62
  5. Step 5: Solve for x
    x = 1,288,446,684,514.62/1,752,279.40
  6. Step 6: Final answer
    x = 735,297.51

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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.