Home / 1,485,322.92-2,049,743.88-806,259.42

Finding the Fourth Proportional to 1,485,322.92, 2,049,743.88 and 806,259.42

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Solution

The fourth proportional to 1,485,322.92, 2,049,743.88 and 806,259.42 is: 1,112,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,322.92 : 2,049,743.88 = 806,259.42 : x
  2. Step 2: Convert to fraction form
    1,485,322.92/2,049,743.88 = 806,259.42/x
  3. Step 3: Cross multiply
    1,485,322.92x = 2,049,743.88 × 806,259.42
  4. Step 4: Simplify right side
    1,485,322.92x = 1,652,625,311,837.35
  5. Step 5: Solve for x
    x = 1,652,625,311,837.35/1,485,322.92
  6. Step 6: Final answer
    x = 1,112,637.05

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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.