Home / 1,428,595.84-2,142,893.92-1,113,288.96

Finding the Fourth Proportional to 1,428,595.84, 2,142,893.92 and 1,113,288.96

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Solution

The fourth proportional to 1,428,595.84, 2,142,893.92 and 1,113,288.96 is: 1,669,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,595.84 : 2,142,893.92 = 1,113,288.96 : x
  2. Step 2: Convert to fraction form
    1,428,595.84/2,142,893.92 = 1,113,288.96/x
  3. Step 3: Cross multiply
    1,428,595.84x = 2,142,893.92 × 1,113,288.96
  4. Step 4: Simplify right side
    1,428,595.84x = 2,385,660,143,587.12
  5. Step 5: Solve for x
    x = 2,385,660,143,587.12/1,428,595.84
  6. Step 6: Final answer
    x = 1,669,933.56

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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.