Home / 1,231,643.30-1,844,354.55-808,628.90

Finding the Fourth Proportional to 1,231,643.30, 1,844,354.55 and 808,628.90

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Solution

The fourth proportional to 1,231,643.30, 1,844,354.55 and 808,628.90 is: 1,210,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,643.30 : 1,844,354.55 = 808,628.90 : x
  2. Step 2: Convert to fraction form
    1,231,643.30/1,844,354.55 = 808,628.90/x
  3. Step 3: Cross multiply
    1,231,643.30x = 1,844,354.55 × 808,628.90
  4. Step 4: Simplify right side
    1,231,643.30x = 1,491,398,390,976.50
  5. Step 5: Solve for x
    x = 1,491,398,390,976.50/1,231,643.30
  6. Step 6: Final answer
    x = 1,210,901.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.