Home / 1,431,402.33-1,975,339.31-819,564.47

Finding the Fourth Proportional to 1,431,402.33, 1,975,339.31 and 819,564.47

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Solution

The fourth proportional to 1,431,402.33, 1,975,339.31 and 819,564.47 is: 1,131,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,402.33 : 1,975,339.31 = 819,564.47 : x
  2. Step 2: Convert to fraction form
    1,431,402.33/1,975,339.31 = 819,564.47/x
  3. Step 3: Cross multiply
    1,431,402.33x = 1,975,339.31 × 819,564.47
  4. Step 4: Simplify right side
    1,431,402.33x = 1,618,917,914,670.32
  5. Step 5: Solve for x
    x = 1,618,917,914,670.32/1,431,402.33
  6. Step 6: Final answer
    x = 1,131,001.31

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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.