Home / 1,310,957.35-1,809,293.57-738,109.15

Finding the Fourth Proportional to 1,310,957.35, 1,809,293.57 and 738,109.15

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Solution

The fourth proportional to 1,310,957.35, 1,809,293.57 and 738,109.15 is: 1,018,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,957.35 : 1,809,293.57 = 738,109.15 : x
  2. Step 2: Convert to fraction form
    1,310,957.35/1,809,293.57 = 738,109.15/x
  3. Step 3: Cross multiply
    1,310,957.35x = 1,809,293.57 × 738,109.15
  4. Step 4: Simplify right side
    1,310,957.35x = 1,335,456,139,053.17
  5. Step 5: Solve for x
    x = 1,335,456,139,053.17/1,310,957.35
  6. Step 6: Final answer
    x = 1,018,687.71

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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.