Home / 1,302,729.48-1,797,770.90-721,962.11

Finding the Fourth Proportional to 1,302,729.48, 1,797,770.90 and 721,962.11

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Solution

The fourth proportional to 1,302,729.48, 1,797,770.90 and 721,962.11 is: 996,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,729.48 : 1,797,770.90 = 721,962.11 : x
  2. Step 2: Convert to fraction form
    1,302,729.48/1,797,770.90 = 721,962.11/x
  3. Step 3: Cross multiply
    1,302,729.48x = 1,797,770.90 × 721,962.11
  4. Step 4: Simplify right side
    1,302,729.48x = 1,297,922,478,559.93
  5. Step 5: Solve for x
    x = 1,297,922,478,559.93/1,302,729.48
  6. Step 6: Final answer
    x = 996,310.05

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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.