Home / 1,322,920.67-1,983,739.07-775,962.50

Finding the Fourth Proportional to 1,322,920.67, 1,983,739.07 and 775,962.50

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Solution

The fourth proportional to 1,322,920.67, 1,983,739.07 and 775,962.50 is: 1,163,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,920.67 : 1,983,739.07 = 775,962.50 : x
  2. Step 2: Convert to fraction form
    1,322,920.67/1,983,739.07 = 775,962.50/x
  3. Step 3: Cross multiply
    1,322,920.67x = 1,983,739.07 × 775,962.50
  4. Step 4: Simplify right side
    1,322,920.67x = 1,539,307,120,126.09
  5. Step 5: Solve for x
    x = 1,539,307,120,126.09/1,322,920.67
  6. Step 6: Final answer
    x = 1,163,567.22

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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.