Home / 1,230,086.45-1,845,260.90-520,186.25

Finding the Fourth Proportional to 1,230,086.45, 1,845,260.90 and 520,186.25

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Solution

The fourth proportional to 1,230,086.45, 1,845,260.90 and 520,186.25 is: 780,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,086.45 : 1,845,260.90 = 520,186.25 : x
  2. Step 2: Convert to fraction form
    1,230,086.45/1,845,260.90 = 520,186.25/x
  3. Step 3: Cross multiply
    1,230,086.45x = 1,845,260.90 × 520,186.25
  4. Step 4: Simplify right side
    1,230,086.45x = 959,879,351,805.54
  5. Step 5: Solve for x
    x = 959,879,351,805.54/1,230,086.45
  6. Step 6: Final answer
    x = 780,334.87

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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.