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Finding the Fourth Proportional to 1,672,246, 2,508,785.64 and 490,294

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Solution

The fourth proportional to 1,672,246, 2,508,785.64 and 490,294 is: 735,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,246 : 2,508,785.64 = 490,294 : x
  2. Step 2: Convert to fraction form
    1,672,246/2,508,785.64 = 490,294/x
  3. Step 3: Cross multiply
    1,672,246x = 2,508,785.64 × 490,294
  4. Step 4: Simplify right side
    1,672,246x = 1,230,042,546,578.16
  5. Step 5: Solve for x
    x = 1,230,042,546,578.16/1,672,246
  6. Step 6: Final answer
    x = 735,563.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.