Home / 1,431,021.69-2,146,631.90-484,072.29

Finding the Fourth Proportional to 1,431,021.69, 2,146,631.90 and 484,072.29

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Solution

The fourth proportional to 1,431,021.69, 2,146,631.90 and 484,072.29 is: 726,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,021.69 : 2,146,631.90 = 484,072.29 : x
  2. Step 2: Convert to fraction form
    1,431,021.69/2,146,631.90 = 484,072.29/x
  3. Step 3: Cross multiply
    1,431,021.69x = 2,146,631.90 × 484,072.29
  4. Step 4: Simplify right side
    1,431,021.69x = 1,039,125,017,199.69
  5. Step 5: Solve for x
    x = 1,039,125,017,199.69/1,431,021.69
  6. Step 6: Final answer
    x = 726,142.05

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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.