Home / 1,999,412.40-2,996,494.20-800,353.20

Finding the Fourth Proportional to 1,999,412.40, 2,996,494.20 and 800,353.20

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Solution

The fourth proportional to 1,999,412.40, 2,996,494.20 and 800,353.20 is: 1,199,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,412.40 : 2,996,494.20 = 800,353.20 : x
  2. Step 2: Convert to fraction form
    1,999,412.40/2,996,494.20 = 800,353.20/x
  3. Step 3: Cross multiply
    1,999,412.40x = 2,996,494.20 × 800,353.20
  4. Step 4: Simplify right side
    1,999,412.40x = 2,398,253,721,751.44
  5. Step 5: Solve for x
    x = 2,398,253,721,751.44/1,999,412.40
  6. Step 6: Final answer
    x = 1,199,479.27

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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.