Home / 1,003,839.36-1,385,281.08-551,127.12

Finding the Fourth Proportional to 1,003,839.36, 1,385,281.08 and 551,127.12

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Solution

The fourth proportional to 1,003,839.36, 1,385,281.08 and 551,127.12 is: 760,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,839.36 : 1,385,281.08 = 551,127.12 : x
  2. Step 2: Convert to fraction form
    1,003,839.36/1,385,281.08 = 551,127.12/x
  3. Step 3: Cross multiply
    1,003,839.36x = 1,385,281.08 × 551,127.12
  4. Step 4: Simplify right side
    1,003,839.36x = 763,465,972,010.89
  5. Step 5: Solve for x
    x = 763,465,972,010.89/1,003,839.36
  6. Step 6: Final answer
    x = 760,545.96

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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.