Home / 1,629,005.68-2,443,516.71-669,984.31

Finding the Fourth Proportional to 1,629,005.68, 2,443,516.71 and 669,984.31

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Solution

The fourth proportional to 1,629,005.68, 2,443,516.71 and 669,984.31 is: 1,004,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,005.68 : 2,443,516.71 = 669,984.31 : x
  2. Step 2: Convert to fraction form
    1,629,005.68/2,443,516.71 = 669,984.31/x
  3. Step 3: Cross multiply
    1,629,005.68x = 2,443,516.71 × 669,984.31
  4. Step 4: Simplify right side
    1,629,005.68x = 1,637,117,857,464.77
  5. Step 5: Solve for x
    x = 1,637,117,857,464.77/1,629,005.68
  6. Step 6: Final answer
    x = 1,004,979.83

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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.