Home / 1,313,038.32-1,813,487.55-882,571.11

Finding the Fourth Proportional to 1,313,038.32, 1,813,487.55 and 882,571.11

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Solution

The fourth proportional to 1,313,038.32, 1,813,487.55 and 882,571.11 is: 1,218,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,038.32 : 1,813,487.55 = 882,571.11 : x
  2. Step 2: Convert to fraction form
    1,313,038.32/1,813,487.55 = 882,571.11/x
  3. Step 3: Cross multiply
    1,313,038.32x = 1,813,487.55 × 882,571.11
  4. Step 4: Simplify right side
    1,313,038.32x = 1,600,531,719,974.68
  5. Step 5: Solve for x
    x = 1,600,531,719,974.68/1,313,038.32
  6. Step 6: Final answer
    x = 1,218,952.79

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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.