Home / 1,362,545.10-1,880,222.28-818,357.54

Finding the Fourth Proportional to 1,362,545.10, 1,880,222.28 and 818,357.54

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Solution

The fourth proportional to 1,362,545.10, 1,880,222.28 and 818,357.54 is: 1,129,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,545.10 : 1,880,222.28 = 818,357.54 : x
  2. Step 2: Convert to fraction form
    1,362,545.10/1,880,222.28 = 818,357.54/x
  3. Step 3: Cross multiply
    1,362,545.10x = 1,880,222.28 × 818,357.54
  4. Step 4: Simplify right side
    1,362,545.10x = 1,538,694,079,713.99
  5. Step 5: Solve for x
    x = 1,538,694,079,713.99/1,362,545.10
  6. Step 6: Final answer
    x = 1,129,279.38

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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.