Home / 936,406.64-1,293,133.72-885,399.92

Finding the Fourth Proportional to 936,406.64, 1,293,133.72 and 885,399.92

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Solution

The fourth proportional to 936,406.64, 1,293,133.72 and 885,399.92 is: 1,222,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,406.64 : 1,293,133.72 = 885,399.92 : x
  2. Step 2: Convert to fraction form
    936,406.64/1,293,133.72 = 885,399.92/x
  3. Step 3: Cross multiply
    936,406.64x = 1,293,133.72 × 885,399.92
  4. Step 4: Simplify right side
    936,406.64x = 1,144,940,492,237.30
  5. Step 5: Solve for x
    x = 1,144,940,492,237.30/936,406.64
  6. Step 6: Final answer
    x = 1,222,695.83

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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.