Home / 1,113,992.04-1,668,110.22-768,840.54

Finding the Fourth Proportional to 1,113,992.04, 1,668,110.22 and 768,840.54

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Solution

The fourth proportional to 1,113,992.04, 1,668,110.22 and 768,840.54 is: 1,151,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,992.04 : 1,668,110.22 = 768,840.54 : x
  2. Step 2: Convert to fraction form
    1,113,992.04/1,668,110.22 = 768,840.54/x
  3. Step 3: Cross multiply
    1,113,992.04x = 1,668,110.22 × 768,840.54
  4. Step 4: Simplify right side
    1,113,992.04x = 1,282,510,764,572.49
  5. Step 5: Solve for x
    x = 1,282,510,764,572.49/1,113,992.04
  6. Step 6: Final answer
    x = 1,151,274.62

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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.