Home / 1,310,952.69-1,809,287.19-738,104.49

Finding the Fourth Proportional to 1,310,952.69, 1,809,287.19 and 738,104.49

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Solution

The fourth proportional to 1,310,952.69, 1,809,287.19 and 738,104.49 is: 1,018,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,952.69 : 1,809,287.19 = 738,104.49 : x
  2. Step 2: Convert to fraction form
    1,310,952.69/1,809,287.19 = 738,104.49/x
  3. Step 3: Cross multiply
    1,310,952.69x = 1,809,287.19 × 738,104.49
  4. Step 4: Simplify right side
    1,310,952.69x = 1,335,442,998,638.48
  5. Step 5: Solve for x
    x = 1,335,442,998,638.48/1,310,952.69
  6. Step 6: Final answer
    x = 1,018,681.31

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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.