Home / 1,302,349.64-1,797,096.51-721,427.40

Finding the Fourth Proportional to 1,302,349.64, 1,797,096.51 and 721,427.40

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Solution

The fourth proportional to 1,302,349.64, 1,797,096.51 and 721,427.40 is: 995,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,349.64 : 1,797,096.51 = 721,427.40 : x
  2. Step 2: Convert to fraction form
    1,302,349.64/1,797,096.51 = 721,427.40/x
  3. Step 3: Cross multiply
    1,302,349.64x = 1,797,096.51 × 721,427.40
  4. Step 4: Simplify right side
    1,302,349.64x = 1,296,474,662,758.37
  5. Step 5: Solve for x
    x = 1,296,474,662,758.37/1,302,349.64
  6. Step 6: Final answer
    x = 995,488.94

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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.