Home / 1,098,930.30-1,648,632.27-340,756.53

Finding the Fourth Proportional to 1,098,930.30, 1,648,632.27 and 340,756.53

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Solution

The fourth proportional to 1,098,930.30, 1,648,632.27 and 340,756.53 is: 511,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,930.30 : 1,648,632.27 = 340,756.53 : x
  2. Step 2: Convert to fraction form
    1,098,930.30/1,648,632.27 = 340,756.53/x
  3. Step 3: Cross multiply
    1,098,930.30x = 1,648,632.27 × 340,756.53
  4. Step 4: Simplify right side
    1,098,930.30x = 561,782,211,571.22
  5. Step 5: Solve for x
    x = 561,782,211,571.22/1,098,930.30
  6. Step 6: Final answer
    x = 511,208.23

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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.