Home / 1,530,917.76-2,296,374.32-520,144.64

Finding the Fourth Proportional to 1,530,917.76, 2,296,374.32 and 520,144.64

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Solution

The fourth proportional to 1,530,917.76, 2,296,374.32 and 520,144.64 is: 780,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,917.76 : 2,296,374.32 = 520,144.64 : x
  2. Step 2: Convert to fraction form
    1,530,917.76/2,296,374.32 = 520,144.64/x
  3. Step 3: Cross multiply
    1,530,917.76x = 2,296,374.32 × 520,144.64
  4. Step 4: Simplify right side
    1,530,917.76x = 1,194,446,793,981.64
  5. Step 5: Solve for x
    x = 1,194,446,793,981.64/1,530,917.76
  6. Step 6: Final answer
    x = 780,216.17

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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.