Home / 1,226,234.10-1,692,350.37-742,785.06

Finding the Fourth Proportional to 1,226,234.10, 1,692,350.37 and 742,785.06

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Solution

The fourth proportional to 1,226,234.10, 1,692,350.37 and 742,785.06 is: 1,025,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,234.10 : 1,692,350.37 = 742,785.06 : x
  2. Step 2: Convert to fraction form
    1,226,234.10/1,692,350.37 = 742,785.06/x
  3. Step 3: Cross multiply
    1,226,234.10x = 1,692,350.37 × 742,785.06
  4. Step 4: Simplify right side
    1,226,234.10x = 1,257,052,571,121.47
  5. Step 5: Solve for x
    x = 1,257,052,571,121.47/1,226,234.10
  6. Step 6: Final answer
    x = 1,025,132.62

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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.