Home / 1,098,821.10-1,648,231.65-673,668.30

Finding the Fourth Proportional to 1,098,821.10, 1,648,231.65 and 673,668.30

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Solution

The fourth proportional to 1,098,821.10, 1,648,231.65 and 673,668.30 is: 1,010,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,821.10 : 1,648,231.65 = 673,668.30 : x
  2. Step 2: Convert to fraction form
    1,098,821.10/1,648,231.65 = 673,668.30/x
  3. Step 3: Cross multiply
    1,098,821.10x = 1,648,231.65 × 673,668.30
  4. Step 4: Simplify right side
    1,098,821.10x = 1,110,361,413,661.70
  5. Step 5: Solve for x
    x = 1,110,361,413,661.70/1,098,821.10
  6. Step 6: Final answer
    x = 1,010,502.45

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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.