Home / 1,325,313.12-1,828,884.09-809,929.26

Finding the Fourth Proportional to 1,325,313.12, 1,828,884.09 and 809,929.26

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Solution

The fourth proportional to 1,325,313.12, 1,828,884.09 and 809,929.26 is: 1,117,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,313.12 : 1,828,884.09 = 809,929.26 : x
  2. Step 2: Convert to fraction form
    1,325,313.12/1,828,884.09 = 809,929.26/x
  3. Step 3: Cross multiply
    1,325,313.12x = 1,828,884.09 × 809,929.26
  4. Step 4: Simplify right side
    1,325,313.12x = 1,481,266,737,639.47
  5. Step 5: Solve for x
    x = 1,481,266,737,639.47/1,325,313.12
  6. Step 6: Final answer
    x = 1,117,673.04

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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.