Home / 1,427,494.58-1,969,760.94-815,686.91

Finding the Fourth Proportional to 1,427,494.58, 1,969,760.94 and 815,686.91

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Solution

The fourth proportional to 1,427,494.58, 1,969,760.94 and 815,686.91 is: 1,125,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,494.58 : 1,969,760.94 = 815,686.91 : x
  2. Step 2: Convert to fraction form
    1,427,494.58/1,969,760.94 = 815,686.91/x
  3. Step 3: Cross multiply
    1,427,494.58x = 1,969,760.94 × 815,686.91
  4. Step 4: Simplify right side
    1,427,494.58x = 1,606,708,216,452.87
  5. Step 5: Solve for x
    x = 1,606,708,216,452.87/1,427,494.58
  6. Step 6: Final answer
    x = 1,125,544.18

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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.