Home / 1,412,999.60-2,118,843.30-613,869.80

Finding the Fourth Proportional to 1,412,999.60, 2,118,843.30 and 613,869.80

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Solution

The fourth proportional to 1,412,999.60, 2,118,843.30 and 613,869.80 is: 920,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,999.60 : 2,118,843.30 = 613,869.80 : x
  2. Step 2: Convert to fraction form
    1,412,999.60/2,118,843.30 = 613,869.80/x
  3. Step 3: Cross multiply
    1,412,999.60x = 2,118,843.30 × 613,869.80
  4. Step 4: Simplify right side
    1,412,999.60x = 1,300,693,912,802.34
  5. Step 5: Solve for x
    x = 1,300,693,912,802.34/1,412,999.60
  6. Step 6: Final answer
    x = 920,519.66

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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.