Home / 1,003,803.36-1,385,231.40-551,091.12

Finding the Fourth Proportional to 1,003,803.36, 1,385,231.40 and 551,091.12

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Solution

The fourth proportional to 1,003,803.36, 1,385,231.40 and 551,091.12 is: 760,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,803.36 : 1,385,231.40 = 551,091.12 : x
  2. Step 2: Convert to fraction form
    1,003,803.36/1,385,231.40 = 551,091.12/x
  3. Step 3: Cross multiply
    1,003,803.36x = 1,385,231.40 × 551,091.12
  4. Step 4: Simplify right side
    1,003,803.36x = 763,388,723,685.17
  5. Step 5: Solve for x
    x = 763,388,723,685.17/1,003,803.36
  6. Step 6: Final answer
    x = 760,496.28

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Double scale
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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.