Home / 1,109,085.86-1,663,628.94-267,637.61

Finding the Fourth Proportional to 1,109,085.86, 1,663,628.94 and 267,637.61

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Solution

The fourth proportional to 1,109,085.86, 1,663,628.94 and 267,637.61 is: 401,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,085.86 : 1,663,628.94 = 267,637.61 : x
  2. Step 2: Convert to fraction form
    1,109,085.86/1,663,628.94 = 267,637.61/x
  3. Step 3: Cross multiply
    1,109,085.86x = 1,663,628.94 × 267,637.61
  4. Step 4: Simplify right side
    1,109,085.86x = 445,249,665,110.29
  5. Step 5: Solve for x
    x = 445,249,665,110.29/1,109,085.86
  6. Step 6: Final answer
    x = 401,456.45

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Double scale
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Similar ratio
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1.5x scale

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.