Home / 1,098,122.65-1,647,032.10-340,485.10

Finding the Fourth Proportional to 1,098,122.65, 1,647,032.10 and 340,485.10

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Solution

The fourth proportional to 1,098,122.65, 1,647,032.10 and 340,485.10 is: 510,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,122.65 : 1,647,032.10 = 340,485.10 : x
  2. Step 2: Convert to fraction form
    1,098,122.65/1,647,032.10 = 340,485.10/x
  3. Step 3: Cross multiply
    1,098,122.65x = 1,647,032.10 × 340,485.10
  4. Step 4: Simplify right side
    1,098,122.65x = 560,789,889,271.71
  5. Step 5: Solve for x
    x = 560,789,889,271.71/1,098,122.65
  6. Step 6: Final answer
    x = 510,680.56

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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.