Home / 1,009,891.55-1,393,671.99-551,015.21

Finding the Fourth Proportional to 1,009,891.55, 1,393,671.99 and 551,015.21

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Solution

The fourth proportional to 1,009,891.55, 1,393,671.99 and 551,015.21 is: 760,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,891.55 : 1,393,671.99 = 551,015.21 : x
  2. Step 2: Convert to fraction form
    1,009,891.55/1,393,671.99 = 551,015.21/x
  3. Step 3: Cross multiply
    1,009,891.55x = 1,393,671.99 × 551,015.21
  4. Step 4: Simplify right side
    1,009,891.55x = 767,934,469,791.46
  5. Step 5: Solve for x
    x = 767,934,469,791.46/1,009,891.55
  6. Step 6: Final answer
    x = 760,412.81

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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.