Home / 1,206,425.32-1,809,636.81-307,867.06

Finding the Fourth Proportional to 1,206,425.32, 1,809,636.81 and 307,867.06

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Solution

The fourth proportional to 1,206,425.32, 1,809,636.81 and 307,867.06 is: 461,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,425.32 : 1,809,636.81 = 307,867.06 : x
  2. Step 2: Convert to fraction form
    1,206,425.32/1,809,636.81 = 307,867.06/x
  3. Step 3: Cross multiply
    1,206,425.32x = 1,809,636.81 × 307,867.06
  4. Step 4: Simplify right side
    1,206,425.32x = 557,127,565,470.02
  5. Step 5: Solve for x
    x = 557,127,565,470.02/1,206,425.32
  6. Step 6: Final answer
    x = 461,800.29

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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.