Home / 1,397,630.55-2,096,492.43-386,667.84

Finding the Fourth Proportional to 1,397,630.55, 2,096,492.43 and 386,667.84

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Solution

The fourth proportional to 1,397,630.55, 2,096,492.43 and 386,667.84 is: 580,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,630.55 : 2,096,492.43 = 386,667.84 : x
  2. Step 2: Convert to fraction form
    1,397,630.55/2,096,492.43 = 386,667.84/x
  3. Step 3: Cross multiply
    1,397,630.55x = 2,096,492.43 × 386,667.84
  4. Step 4: Simplify right side
    1,397,630.55x = 810,646,199,484.45
  5. Step 5: Solve for x
    x = 810,646,199,484.45/1,397,630.55
  6. Step 6: Final answer
    x = 580,014.65

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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.