Home / 1,073,105.60-1,607,815.20-510,929.60

Finding the Fourth Proportional to 1,073,105.60, 1,607,815.20 and 510,929.60

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Solution

The fourth proportional to 1,073,105.60, 1,607,815.20 and 510,929.60 is: 765,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,105.60 : 1,607,815.20 = 510,929.60 : x
  2. Step 2: Convert to fraction form
    1,073,105.60/1,607,815.20 = 510,929.60/x
  3. Step 3: Cross multiply
    1,073,105.60x = 1,607,815.20 × 510,929.60
  4. Step 4: Simplify right side
    1,073,105.60x = 821,480,377,009.92
  5. Step 5: Solve for x
    x = 821,480,377,009.92/1,073,105.60
  6. Step 6: Final answer
    x = 765,516.81

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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.