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Finding the Fourth Proportional to 1,080,099, 1,490,536.62 and 603,171

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Solution

The fourth proportional to 1,080,099, 1,490,536.62 and 603,171 is: 832,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,099 : 1,490,536.62 = 603,171 : x
  2. Step 2: Convert to fraction form
    1,080,099/1,490,536.62 = 603,171/x
  3. Step 3: Cross multiply
    1,080,099x = 1,490,536.62 × 603,171
  4. Step 4: Simplify right side
    1,080,099x = 899,048,463,622.02
  5. Step 5: Solve for x
    x = 899,048,463,622.02/1,080,099
  6. Step 6: Final answer
    x = 832,375.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.