Home / 1,202,840.71-1,659,919.60-719,405.84

Finding the Fourth Proportional to 1,202,840.71, 1,659,919.60 and 719,405.84

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Solution

The fourth proportional to 1,202,840.71, 1,659,919.60 and 719,405.84 is: 992,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,840.71 : 1,659,919.60 = 719,405.84 : x
  2. Step 2: Convert to fraction form
    1,202,840.71/1,659,919.60 = 719,405.84/x
  3. Step 3: Cross multiply
    1,202,840.71x = 1,659,919.60 × 719,405.84
  4. Step 4: Simplify right side
    1,202,840.71x = 1,194,155,859,219.52
  5. Step 5: Solve for x
    x = 1,194,155,859,219.52/1,202,840.71
  6. Step 6: Final answer
    x = 992,779.72

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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.