Home / 1,420,740.08-2,131,951.10-522,812.56

Finding the Fourth Proportional to 1,420,740.08, 2,131,951.10 and 522,812.56

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Solution

The fourth proportional to 1,420,740.08, 2,131,951.10 and 522,812.56 is: 784,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,740.08 : 2,131,951.10 = 522,812.56 : x
  2. Step 2: Convert to fraction form
    1,420,740.08/2,131,951.10 = 522,812.56/x
  3. Step 3: Cross multiply
    1,420,740.08x = 2,131,951.10 × 522,812.56
  4. Step 4: Simplify right side
    1,420,740.08x = 1,114,610,808,439.28
  5. Step 5: Solve for x
    x = 1,114,610,808,439.28/1,420,740.08
  6. Step 6: Final answer
    x = 784,528.30

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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.