Home / 1,188,420.05-1,782,598.29-335,550.20

Finding the Fourth Proportional to 1,188,420.05, 1,782,598.29 and 335,550.20

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Solution

The fourth proportional to 1,188,420.05, 1,782,598.29 and 335,550.20 is: 503,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,420.05 : 1,782,598.29 = 335,550.20 : x
  2. Step 2: Convert to fraction form
    1,188,420.05/1,782,598.29 = 335,550.20/x
  3. Step 3: Cross multiply
    1,188,420.05x = 1,782,598.29 × 335,550.20
  4. Step 4: Simplify right side
    1,188,420.05x = 598,151,202,557.85
  5. Step 5: Solve for x
    x = 598,151,202,557.85/1,188,420.05
  6. Step 6: Final answer
    x = 503,316.32

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1.5x scale

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.