Home / 990,949.83-1,367,126.15-700,987.65

Finding the Fourth Proportional to 990,949.83, 1,367,126.15 and 700,987.65

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Solution

The fourth proportional to 990,949.83, 1,367,126.15 and 700,987.65 is: 967,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,949.83 : 1,367,126.15 = 700,987.65 : x
  2. Step 2: Convert to fraction form
    990,949.83/1,367,126.15 = 700,987.65/x
  3. Step 3: Cross multiply
    990,949.83x = 1,367,126.15 × 700,987.65
  4. Step 4: Simplify right side
    990,949.83x = 958,338,543,637.11
  5. Step 5: Solve for x
    x = 958,338,543,637.11/990,949.83
  6. Step 6: Final answer
    x = 967,090.88

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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.