Home / 1,311,992.93-1,810,494.30-731,185.15

Finding the Fourth Proportional to 1,311,992.93, 1,810,494.30 and 731,185.15

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Solution

The fourth proportional to 1,311,992.93, 1,810,494.30 and 731,185.15 is: 1,009,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,992.93 : 1,810,494.30 = 731,185.15 : x
  2. Step 2: Convert to fraction form
    1,311,992.93/1,810,494.30 = 731,185.15/x
  3. Step 3: Cross multiply
    1,311,992.93x = 1,810,494.30 × 731,185.15
  4. Step 4: Simplify right side
    1,311,992.93x = 1,323,806,546,319.65
  5. Step 5: Solve for x
    x = 1,323,806,546,319.65/1,311,992.93
  6. Step 6: Final answer
    x = 1,009,004.33

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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.