Home / 990,946.08-1,367,120.97-700,983.90

Finding the Fourth Proportional to 990,946.08, 1,367,120.97 and 700,983.90

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Solution

The fourth proportional to 990,946.08, 1,367,120.97 and 700,983.90 is: 967,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,946.08 : 1,367,120.97 = 700,983.90 : x
  2. Step 2: Convert to fraction form
    990,946.08/1,367,120.97 = 700,983.90/x
  3. Step 3: Cross multiply
    990,946.08x = 1,367,120.97 × 700,983.90
  4. Step 4: Simplify right side
    990,946.08x = 958,329,789,322.38
  5. Step 5: Solve for x
    x = 958,329,789,322.38/990,946.08
  6. Step 6: Final answer
    x = 967,085.71

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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.