Home / 1,385,025.78-2,078,270.17-982,817

Finding the Fourth Proportional to 1,385,025.78, 2,078,270.17 and 982,817

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Solution

The fourth proportional to 1,385,025.78, 2,078,270.17 and 982,817 is: 1,474,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,025.78 : 2,078,270.17 = 982,817 : x
  2. Step 2: Convert to fraction form
    1,385,025.78/2,078,270.17 = 982,817/x
  3. Step 3: Cross multiply
    1,385,025.78x = 2,078,270.17 × 982,817
  4. Step 4: Simplify right side
    1,385,025.78x = 2,042,559,253,668.89
  5. Step 5: Solve for x
    x = 2,042,559,253,668.89/1,385,025.78
  6. Step 6: Final answer
    x = 1,474,744.57

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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.