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Finding the Fourth Proportional to 1,302,858, 1,797,734.04 and 819,080.40

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Solution

The fourth proportional to 1,302,858, 1,797,734.04 and 819,080.40 is: 1,130,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,858 : 1,797,734.04 = 819,080.40 : x
  2. Step 2: Convert to fraction form
    1,302,858/1,797,734.04 = 819,080.40/x
  3. Step 3: Cross multiply
    1,302,858x = 1,797,734.04 × 819,080.40
  4. Step 4: Simplify right side
    1,302,858x = 1,472,488,716,576.82
  5. Step 5: Solve for x
    x = 1,472,488,716,576.82/1,302,858
  6. Step 6: Final answer
    x = 1,130,198.93

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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.