Home / 1,110,010.70-1,665,016.05-400,061.90

Finding the Fourth Proportional to 1,110,010.70, 1,665,016.05 and 400,061.90

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Solution

The fourth proportional to 1,110,010.70, 1,665,016.05 and 400,061.90 is: 600,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,010.70 : 1,665,016.05 = 400,061.90 : x
  2. Step 2: Convert to fraction form
    1,110,010.70/1,665,016.05 = 400,061.90/x
  3. Step 3: Cross multiply
    1,110,010.70x = 1,665,016.05 × 400,061.90
  4. Step 4: Simplify right side
    1,110,010.70x = 666,109,484,493.50
  5. Step 5: Solve for x
    x = 666,109,484,493.50/1,110,010.70
  6. Step 6: Final answer
    x = 600,092.85

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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.