Home / 1,518,516.54-2,278,615.55-909,809

Finding the Fourth Proportional to 1,518,516.54, 2,278,615.55 and 909,809

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Solution

The fourth proportional to 1,518,516.54, 2,278,615.55 and 909,809 is: 1,365,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,516.54 : 2,278,615.55 = 909,809 : x
  2. Step 2: Convert to fraction form
    1,518,516.54/2,278,615.55 = 909,809/x
  3. Step 3: Cross multiply
    1,518,516.54x = 2,278,615.55 × 909,809
  4. Step 4: Simplify right side
    1,518,516.54x = 2,073,104,934,929.95
  5. Step 5: Solve for x
    x = 2,073,104,934,929.95/1,518,516.54
  6. Step 6: Final answer
    x = 1,365,217.22

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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.