Home / 1,078,372.48-1,617,788.33-320,216.14

Finding the Fourth Proportional to 1,078,372.48, 1,617,788.33 and 320,216.14

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Solution

The fourth proportional to 1,078,372.48, 1,617,788.33 and 320,216.14 is: 480,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,372.48 : 1,617,788.33 = 320,216.14 : x
  2. Step 2: Convert to fraction form
    1,078,372.48/1,617,788.33 = 320,216.14/x
  3. Step 3: Cross multiply
    1,078,372.48x = 1,617,788.33 × 320,216.14
  4. Step 4: Simplify right side
    1,078,372.48x = 518,041,927,081.25
  5. Step 5: Solve for x
    x = 518,041,927,081.25/1,078,372.48
  6. Step 6: Final answer
    x = 480,392.39

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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.