Home / 1,296,856.34-1,945,377.78-498,137.90

Finding the Fourth Proportional to 1,296,856.34, 1,945,377.78 and 498,137.90

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Solution

The fourth proportional to 1,296,856.34, 1,945,377.78 and 498,137.90 is: 747,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,856.34 : 1,945,377.78 = 498,137.90 : x
  2. Step 2: Convert to fraction form
    1,296,856.34/1,945,377.78 = 498,137.90/x
  3. Step 3: Cross multiply
    1,296,856.34x = 1,945,377.78 × 498,137.90
  4. Step 4: Simplify right side
    1,296,856.34x = 969,066,402,035.86
  5. Step 5: Solve for x
    x = 969,066,402,035.86/1,296,856.34
  6. Step 6: Final answer
    x = 747,242.68

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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.