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Finding the Fourth Proportional to 1,672,245, 2,508,784.14 and 490,293

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Solution

The fourth proportional to 1,672,245, 2,508,784.14 and 490,293 is: 735,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,245 : 2,508,784.14 = 490,293 : x
  2. Step 2: Convert to fraction form
    1,672,245/2,508,784.14 = 490,293/x
  3. Step 3: Cross multiply
    1,672,245x = 2,508,784.14 × 490,293
  4. Step 4: Simplify right side
    1,672,245x = 1,230,039,302,353.02
  5. Step 5: Solve for x
    x = 1,230,039,302,353.02/1,672,245
  6. Step 6: Final answer
    x = 735,561.66

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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.