Home / 1,368,742.28-2,054,888.27-916,228.55

Finding the Fourth Proportional to 1,368,742.28, 2,054,888.27 and 916,228.55

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Solution

The fourth proportional to 1,368,742.28, 2,054,888.27 and 916,228.55 is: 1,375,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,742.28 : 2,054,888.27 = 916,228.55 : x
  2. Step 2: Convert to fraction form
    1,368,742.28/2,054,888.27 = 916,228.55/x
  3. Step 3: Cross multiply
    1,368,742.28x = 2,054,888.27 × 916,228.55
  4. Step 4: Simplify right side
    1,368,742.28x = 1,882,747,285,178.52
  5. Step 5: Solve for x
    x = 1,882,747,285,178.52/1,368,742.28
  6. Step 6: Final answer
    x = 1,375,530.89

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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.