Home / 1,361,742.30-2,043,269.55-961,521.30

Finding the Fourth Proportional to 1,361,742.30, 2,043,269.55 and 961,521.30

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Solution

The fourth proportional to 1,361,742.30, 2,043,269.55 and 961,521.30 is: 1,442,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,742.30 : 2,043,269.55 = 961,521.30 : x
  2. Step 2: Convert to fraction form
    1,361,742.30/2,043,269.55 = 961,521.30/x
  3. Step 3: Cross multiply
    1,361,742.30x = 2,043,269.55 × 961,521.30
  4. Step 4: Simplify right side
    1,361,742.30x = 1,964,647,193,966.42
  5. Step 5: Solve for x
    x = 1,964,647,193,966.42/1,361,742.30
  6. Step 6: Final answer
    x = 1,442,745.22

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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.