Home / 1,302,259.32-1,797,130.26-721,494.72

Finding the Fourth Proportional to 1,302,259.32, 1,797,130.26 and 721,494.72

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Solution

The fourth proportional to 1,302,259.32, 1,797,130.26 and 721,494.72 is: 995,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,259.32 : 1,797,130.26 = 721,494.72 : x
  2. Step 2: Convert to fraction form
    1,302,259.32/1,797,130.26 = 721,494.72/x
  3. Step 3: Cross multiply
    1,302,259.32x = 1,797,130.26 × 721,494.72
  4. Step 4: Simplify right side
    1,302,259.32x = 1,296,619,993,742.23
  5. Step 5: Solve for x
    x = 1,296,619,993,742.23/1,302,259.32
  6. Step 6: Final answer
    x = 995,669.58

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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.