Home / 1,131,326.25-1,696,984.98-457,399.47

Finding the Fourth Proportional to 1,131,326.25, 1,696,984.98 and 457,399.47

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Solution

The fourth proportional to 1,131,326.25, 1,696,984.98 and 457,399.47 is: 686,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,326.25 : 1,696,984.98 = 457,399.47 : x
  2. Step 2: Convert to fraction form
    1,131,326.25/1,696,984.98 = 457,399.47/x
  3. Step 3: Cross multiply
    1,131,326.25x = 1,696,984.98 × 457,399.47
  4. Step 4: Simplify right side
    1,131,326.25x = 776,200,030,449.96
  5. Step 5: Solve for x
    x = 776,200,030,449.96/1,131,326.25
  6. Step 6: Final answer
    x = 686,097.43

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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.