Home / 1,491,070.37-2,236,679.37-426,269.30

Finding the Fourth Proportional to 1,491,070.37, 2,236,679.37 and 426,269.30

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Solution

The fourth proportional to 1,491,070.37, 2,236,679.37 and 426,269.30 is: 639,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,070.37 : 2,236,679.37 = 426,269.30 : x
  2. Step 2: Convert to fraction form
    1,491,070.37/2,236,679.37 = 426,269.30/x
  3. Step 3: Cross multiply
    1,491,070.37x = 2,236,679.37 × 426,269.30
  4. Step 4: Simplify right side
    1,491,070.37x = 953,427,738,190.94
  5. Step 5: Solve for x
    x = 953,427,738,190.94/1,491,070.37
  6. Step 6: Final answer
    x = 639,425.05

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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.