Home / 1,999,642.60-3,000,163.74-579,783.88

Finding the Fourth Proportional to 1,999,642.60, 3,000,163.74 and 579,783.88

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Solution

The fourth proportional to 1,999,642.60, 3,000,163.74 and 579,783.88 is: 869,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,642.60 : 3,000,163.74 = 579,783.88 : x
  2. Step 2: Convert to fraction form
    1,999,642.60/3,000,163.74 = 579,783.88/x
  3. Step 3: Cross multiply
    1,999,642.60x = 3,000,163.74 × 579,783.88
  4. Step 4: Simplify right side
    1,999,642.60x = 1,739,446,573,812.51
  5. Step 5: Solve for x
    x = 1,739,446,573,812.51/1,999,642.60
  6. Step 6: Final answer
    x = 869,878.73

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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.