Home / 1,530,900.39-2,296,866.80-677,855.56

Finding the Fourth Proportional to 1,530,900.39, 2,296,866.80 and 677,855.56

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Solution

The fourth proportional to 1,530,900.39, 2,296,866.80 and 677,855.56 is: 1,017,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,900.39 : 2,296,866.80 = 677,855.56 : x
  2. Step 2: Convert to fraction form
    1,530,900.39/2,296,866.80 = 677,855.56/x
  3. Step 3: Cross multiply
    1,530,900.39x = 2,296,866.80 × 677,855.56
  4. Step 4: Simplify right side
    1,530,900.39x = 1,556,943,930,959.41
  5. Step 5: Solve for x
    x = 1,556,943,930,959.41/1,530,900.39
  6. Step 6: Final answer
    x = 1,017,011.91

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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.