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Finding the Fourth Proportional to 1,007,535, 1,511,892.96 and 722,918.80

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Solution

The fourth proportional to 1,007,535, 1,511,892.96 and 722,918.80 is: 1,084,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,535 : 1,511,892.96 = 722,918.80 : x
  2. Step 2: Convert to fraction form
    1,007,535/1,511,892.96 = 722,918.80/x
  3. Step 3: Cross multiply
    1,007,535x = 1,511,892.96 × 722,918.80
  4. Step 4: Simplify right side
    1,007,535x = 1,092,975,844,371.65
  5. Step 5: Solve for x
    x = 1,092,975,844,371.65/1,007,535
  6. Step 6: Final answer
    x = 1,084,801.86

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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.