Home / 1,409,466.90-1,945,078.58-764,892.66

Finding the Fourth Proportional to 1,409,466.90, 1,945,078.58 and 764,892.66

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Solution

The fourth proportional to 1,409,466.90, 1,945,078.58 and 764,892.66 is: 1,055,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,466.90 : 1,945,078.58 = 764,892.66 : x
  2. Step 2: Convert to fraction form
    1,409,466.90/1,945,078.58 = 764,892.66/x
  3. Step 3: Cross multiply
    1,409,466.90x = 1,945,078.58 × 764,892.66
  4. Step 4: Simplify right side
    1,409,466.90x = 1,487,776,328,965.22
  5. Step 5: Solve for x
    x = 1,487,776,328,965.22/1,409,466.90
  6. Step 6: Final answer
    x = 1,055,559.61

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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.