Home / 1,368,436.28-1,888,365.76-756,553.37

Finding the Fourth Proportional to 1,368,436.28, 1,888,365.76 and 756,553.37

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Solution

The fourth proportional to 1,368,436.28, 1,888,365.76 and 756,553.37 is: 1,044,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,436.28 : 1,888,365.76 = 756,553.37 : x
  2. Step 2: Convert to fraction form
    1,368,436.28/1,888,365.76 = 756,553.37/x
  3. Step 3: Cross multiply
    1,368,436.28x = 1,888,365.76 × 756,553.37
  4. Step 4: Simplify right side
    1,368,436.28x = 1,428,649,468,187.40
  5. Step 5: Solve for x
    x = 1,428,649,468,187.40/1,368,436.28
  6. Step 6: Final answer
    x = 1,044,001.46

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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.