Home / 1,148,493.86-1,722,609.57-307,111.22

Finding the Fourth Proportional to 1,148,493.86, 1,722,609.57 and 307,111.22

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Solution

The fourth proportional to 1,148,493.86, 1,722,609.57 and 307,111.22 is: 460,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,493.86 : 1,722,609.57 = 307,111.22 : x
  2. Step 2: Convert to fraction form
    1,148,493.86/1,722,609.57 = 307,111.22/x
  3. Step 3: Cross multiply
    1,148,493.86x = 1,722,609.57 × 307,111.22
  4. Step 4: Simplify right side
    1,148,493.86x = 529,032,726,626.38
  5. Step 5: Solve for x
    x = 529,032,726,626.38/1,148,493.86
  6. Step 6: Final answer
    x = 460,631.74

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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.