Home / 1,100,668.86-1,518,938.60-665,025.62

Finding the Fourth Proportional to 1,100,668.86, 1,518,938.60 and 665,025.62

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Solution

The fourth proportional to 1,100,668.86, 1,518,938.60 and 665,025.62 is: 917,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,668.86 : 1,518,938.60 = 665,025.62 : x
  2. Step 2: Convert to fraction form
    1,100,668.86/1,518,938.60 = 665,025.62/x
  3. Step 3: Cross multiply
    1,100,668.86x = 1,518,938.60 × 665,025.62
  4. Step 4: Simplify right side
    1,100,668.86x = 1,010,133,073,287.11
  5. Step 5: Solve for x
    x = 1,010,133,073,287.11/1,100,668.86
  6. Step 6: Final answer
    x = 917,744.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.