Home / 1,478,994.12-2,218,736.34-519,200.82

Finding the Fourth Proportional to 1,478,994.12, 2,218,736.34 and 519,200.82

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Solution

The fourth proportional to 1,478,994.12, 2,218,736.34 and 519,200.82 is: 778,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,994.12 : 2,218,736.34 = 519,200.82 : x
  2. Step 2: Convert to fraction form
    1,478,994.12/2,218,736.34 = 519,200.82/x
  3. Step 3: Cross multiply
    1,478,994.12x = 2,218,736.34 × 519,200.82
  4. Step 4: Simplify right side
    1,478,994.12x = 1,151,969,727,091.80
  5. Step 5: Solve for x
    x = 1,151,969,727,091.80/1,478,994.12
  6. Step 6: Final answer
    x = 778,887.29

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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.