Home / 1,420,677.20-2,131,856.54-522,749.50

Finding the Fourth Proportional to 1,420,677.20, 2,131,856.54 and 522,749.50

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Solution

The fourth proportional to 1,420,677.20, 2,131,856.54 and 522,749.50 is: 784,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,677.20 : 2,131,856.54 = 522,749.50 : x
  2. Step 2: Convert to fraction form
    1,420,677.20/2,131,856.54 = 522,749.50/x
  3. Step 3: Cross multiply
    1,420,677.20x = 2,131,856.54 × 522,749.50
  4. Step 4: Simplify right side
    1,420,677.20x = 1,114,426,936,333.96
  5. Step 5: Solve for x
    x = 1,114,426,936,333.96/1,420,677.20
  6. Step 6: Final answer
    x = 784,433.60

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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.