Home / 1,380,635.04-2,071,555.68-482,721.60

Finding the Fourth Proportional to 1,380,635.04, 2,071,555.68 and 482,721.60

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Solution

The fourth proportional to 1,380,635.04, 2,071,555.68 and 482,721.60 is: 724,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,635.04 : 2,071,555.68 = 482,721.60 : x
  2. Step 2: Convert to fraction form
    1,380,635.04/2,071,555.68 = 482,721.60/x
  3. Step 3: Cross multiply
    1,380,635.04x = 2,071,555.68 × 482,721.60
  4. Step 4: Simplify right side
    1,380,635.04x = 999,984,672,338.69
  5. Step 5: Solve for x
    x = 999,984,672,338.69/1,380,635.04
  6. Step 6: Final answer
    x = 724,293.27

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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.