Home / 1,251,230.70-1,726,700.67-678,269.10

Finding the Fourth Proportional to 1,251,230.70, 1,726,700.67 and 678,269.10

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Solution

The fourth proportional to 1,251,230.70, 1,726,700.67 and 678,269.10 is: 936,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,230.70 : 1,726,700.67 = 678,269.10 : x
  2. Step 2: Convert to fraction form
    1,251,230.70/1,726,700.67 = 678,269.10/x
  3. Step 3: Cross multiply
    1,251,230.70x = 1,726,700.67 × 678,269.10
  4. Step 4: Simplify right side
    1,251,230.70x = 1,171,167,709,410.30
  5. Step 5: Solve for x
    x = 1,171,167,709,410.30/1,251,230.70
  6. Step 6: Final answer
    x = 936,012.61

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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.