Home / 1,311,559.53-1,809,956.25-760,382.68

Finding the Fourth Proportional to 1,311,559.53, 1,809,956.25 and 760,382.68

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Solution

The fourth proportional to 1,311,559.53, 1,809,956.25 and 760,382.68 is: 1,049,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,559.53 : 1,809,956.25 = 760,382.68 : x
  2. Step 2: Convert to fraction form
    1,311,559.53/1,809,956.25 = 760,382.68/x
  3. Step 3: Cross multiply
    1,311,559.53x = 1,809,956.25 × 760,382.68
  4. Step 4: Simplify right side
    1,311,559.53x = 1,376,259,371,206.06
  5. Step 5: Solve for x
    x = 1,376,259,371,206.06/1,311,559.53
  6. Step 6: Final answer
    x = 1,049,330.46

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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.