Home / 1,999,659.60-2,998,872.18-579,820.32

Finding the Fourth Proportional to 1,999,659.60, 2,998,872.18 and 579,820.32

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Solution

The fourth proportional to 1,999,659.60, 2,998,872.18 and 579,820.32 is: 869,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,659.60 : 2,998,872.18 = 579,820.32 : x
  2. Step 2: Convert to fraction form
    1,999,659.60/2,998,872.18 = 579,820.32/x
  3. Step 3: Cross multiply
    1,999,659.60x = 2,998,872.18 × 579,820.32
  4. Step 4: Simplify right side
    1,999,659.60x = 1,738,807,027,046.70
  5. Step 5: Solve for x
    x = 1,738,807,027,046.70/1,999,659.60
  6. Step 6: Final answer
    x = 869,551.51

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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.