Home / 1,998,664.80-2,997,997.20-502,756.80

Finding the Fourth Proportional to 1,998,664.80, 2,997,997.20 and 502,756.80

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Solution

The fourth proportional to 1,998,664.80, 2,997,997.20 and 502,756.80 is: 754,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,664.80 : 2,997,997.20 = 502,756.80 : x
  2. Step 2: Convert to fraction form
    1,998,664.80/2,997,997.20 = 502,756.80/x
  3. Step 3: Cross multiply
    1,998,664.80x = 2,997,997.20 × 502,756.80
  4. Step 4: Simplify right side
    1,998,664.80x = 1,507,263,478,680.96
  5. Step 5: Solve for x
    x = 1,507,263,478,680.96/1,998,664.80
  6. Step 6: Final answer
    x = 754,135.20

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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.