Home / 1,189,426.57-1,641,384.20-673,171.22

Finding the Fourth Proportional to 1,189,426.57, 1,641,384.20 and 673,171.22

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Solution

The fourth proportional to 1,189,426.57, 1,641,384.20 and 673,171.22 is: 928,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,426.57 : 1,641,384.20 = 673,171.22 : x
  2. Step 2: Convert to fraction form
    1,189,426.57/1,641,384.20 = 673,171.22/x
  3. Step 3: Cross multiply
    1,189,426.57x = 1,641,384.20 × 673,171.22
  4. Step 4: Simplify right side
    1,189,426.57x = 1,104,932,610,189.11
  5. Step 5: Solve for x
    x = 1,104,932,610,189.11/1,189,426.57
  6. Step 6: Final answer
    x = 928,962.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.