Home / 1,782,742.81-2,673,851.17-520,231.45

Finding the Fourth Proportional to 1,782,742.81, 2,673,851.17 and 520,231.45

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Solution

The fourth proportional to 1,782,742.81, 2,673,851.17 and 520,231.45 is: 780,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,742.81 : 2,673,851.17 = 520,231.45 : x
  2. Step 2: Convert to fraction form
    1,782,742.81/2,673,851.17 = 520,231.45/x
  3. Step 3: Cross multiply
    1,782,742.81x = 2,673,851.17 × 520,231.45
  4. Step 4: Simplify right side
    1,782,742.81x = 1,391,021,471,253.30
  5. Step 5: Solve for x
    x = 1,391,021,471,253.30/1,782,742.81
  6. Step 6: Final answer
    x = 780,270.41

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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.