Home / 1,397,631.55-2,096,493.93-386,668.84

Finding the Fourth Proportional to 1,397,631.55, 2,096,493.93 and 386,668.84

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Solution

The fourth proportional to 1,397,631.55, 2,096,493.93 and 386,668.84 is: 580,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,631.55 : 2,096,493.93 = 386,668.84 : x
  2. Step 2: Convert to fraction form
    1,397,631.55/2,096,493.93 = 386,668.84/x
  3. Step 3: Cross multiply
    1,397,631.55x = 2,096,493.93 × 386,668.84
  4. Step 4: Simplify right side
    1,397,631.55x = 810,648,875,980.14
  5. Step 5: Solve for x
    x = 810,648,875,980.14/1,397,631.55
  6. Step 6: Final answer
    x = 580,016.15

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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.