Home / 1,459,332.80-2,188,999.20-512,388.80

Finding the Fourth Proportional to 1,459,332.80, 2,188,999.20 and 512,388.80

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Solution

The fourth proportional to 1,459,332.80, 2,188,999.20 and 512,388.80 is: 768,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,332.80 : 2,188,999.20 = 512,388.80 : x
  2. Step 2: Convert to fraction form
    1,459,332.80/2,188,999.20 = 512,388.80/x
  3. Step 3: Cross multiply
    1,459,332.80x = 2,188,999.20 × 512,388.80
  4. Step 4: Simplify right side
    1,459,332.80x = 1,121,618,673,288.96
  5. Step 5: Solve for x
    x = 1,121,618,673,288.96/1,459,332.80
  6. Step 6: Final answer
    x = 768,583.20

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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.