Home / 1,317,917.50-1,974,619.32-719,298.64

Finding the Fourth Proportional to 1,317,917.50, 1,974,619.32 and 719,298.64

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Solution

The fourth proportional to 1,317,917.50, 1,974,619.32 and 719,298.64 is: 1,077,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,917.50 : 1,974,619.32 = 719,298.64 : x
  2. Step 2: Convert to fraction form
    1,317,917.50/1,974,619.32 = 719,298.64/x
  3. Step 3: Cross multiply
    1,317,917.50x = 1,974,619.32 × 719,298.64
  4. Step 4: Simplify right side
    1,317,917.50x = 1,420,340,991,393.73
  5. Step 5: Solve for x
    x = 1,420,340,991,393.73/1,317,917.50
  6. Step 6: Final answer
    x = 1,077,716.16

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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.