Home / 1,330,792.62-1,996,760.79-432,509.64

Finding the Fourth Proportional to 1,330,792.62, 1,996,760.79 and 432,509.64

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Solution

The fourth proportional to 1,330,792.62, 1,996,760.79 and 432,509.64 is: 648,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,792.62 : 1,996,760.79 = 432,509.64 : x
  2. Step 2: Convert to fraction form
    1,330,792.62/1,996,760.79 = 432,509.64/x
  3. Step 3: Cross multiply
    1,330,792.62x = 1,996,760.79 × 432,509.64
  4. Step 4: Simplify right side
    1,330,792.62x = 863,618,290,449.02
  5. Step 5: Solve for x
    x = 863,618,290,449.02/1,330,792.62
  6. Step 6: Final answer
    x = 648,950.32

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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.