Home / 1,788,484.20-2,682,742.51-509,091.17

Finding the Fourth Proportional to 1,788,484.20, 2,682,742.51 and 509,091.17

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Solution

The fourth proportional to 1,788,484.20, 2,682,742.51 and 509,091.17 is: 763,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,484.20 : 2,682,742.51 = 509,091.17 : x
  2. Step 2: Convert to fraction form
    1,788,484.20/2,682,742.51 = 509,091.17/x
  3. Step 3: Cross multiply
    1,788,484.20x = 2,682,742.51 × 509,091.17
  4. Step 4: Simplify right side
    1,788,484.20x = 1,365,760,523,224.64
  5. Step 5: Solve for x
    x = 1,365,760,523,224.64/1,788,484.20
  6. Step 6: Final answer
    x = 763,641.37

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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.