Home / 1,325,319.12-1,828,892.34-809,935.26

Finding the Fourth Proportional to 1,325,319.12, 1,828,892.34 and 809,935.26

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Solution

The fourth proportional to 1,325,319.12, 1,828,892.34 and 809,935.26 is: 1,117,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,319.12 : 1,828,892.34 = 809,935.26 : x
  2. Step 2: Convert to fraction form
    1,325,319.12/1,828,892.34 = 809,935.26/x
  3. Step 3: Cross multiply
    1,325,319.12x = 1,828,892.34 × 809,935.26
  4. Step 4: Simplify right side
    1,325,319.12x = 1,481,284,392,909.91
  5. Step 5: Solve for x
    x = 1,481,284,392,909.91/1,325,319.12
  6. Step 6: Final answer
    x = 1,117,681.30

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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.