Home / 1,691,457.12-2,536,576.56-493,140.96

Finding the Fourth Proportional to 1,691,457.12, 2,536,576.56 and 493,140.96

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Solution

The fourth proportional to 1,691,457.12, 2,536,576.56 and 493,140.96 is: 739,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,457.12 : 2,536,576.56 = 493,140.96 : x
  2. Step 2: Convert to fraction form
    1,691,457.12/2,536,576.56 = 493,140.96/x
  3. Step 3: Cross multiply
    1,691,457.12x = 2,536,576.56 × 493,140.96
  4. Step 4: Simplify right side
    1,691,457.12x = 1,250,889,799,911.90
  5. Step 5: Solve for x
    x = 1,250,889,799,911.90/1,691,457.12
  6. Step 6: Final answer
    x = 739,533.85

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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.