Home / 1,098,485.10-1,647,905.43-340,148.34

Finding the Fourth Proportional to 1,098,485.10, 1,647,905.43 and 340,148.34

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Solution

The fourth proportional to 1,098,485.10, 1,647,905.43 and 340,148.34 is: 510,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,485.10 : 1,647,905.43 = 340,148.34 : x
  2. Step 2: Convert to fraction form
    1,098,485.10/1,647,905.43 = 340,148.34/x
  3. Step 3: Cross multiply
    1,098,485.10x = 1,647,905.43 × 340,148.34
  4. Step 4: Simplify right side
    1,098,485.10x = 560,532,296,491.49
  5. Step 5: Solve for x
    x = 560,532,296,491.49/1,098,485.10
  6. Step 6: Final answer
    x = 510,277.56

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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.