Home / 1,531,145.13-2,295,297.95-677,761.76

Finding the Fourth Proportional to 1,531,145.13, 2,295,297.95 and 677,761.76

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Solution

The fourth proportional to 1,531,145.13, 2,295,297.95 and 677,761.76 is: 1,016,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,145.13 : 2,295,297.95 = 677,761.76 : x
  2. Step 2: Convert to fraction form
    1,531,145.13/2,295,297.95 = 677,761.76/x
  3. Step 3: Cross multiply
    1,531,145.13x = 2,295,297.95 × 677,761.76
  4. Step 4: Simplify right side
    1,531,145.13x = 1,555,665,180,665.83
  5. Step 5: Solve for x
    x = 1,555,665,180,665.83/1,531,145.13
  6. Step 6: Final answer
    x = 1,016,014.19

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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.