Home / 1,085,619.60-1,628,429.40-985,892.40

Finding the Fourth Proportional to 1,085,619.60, 1,628,429.40 and 985,892.40

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Solution

The fourth proportional to 1,085,619.60, 1,628,429.40 and 985,892.40 is: 1,478,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,619.60 : 1,628,429.40 = 985,892.40 : x
  2. Step 2: Convert to fraction form
    1,085,619.60/1,628,429.40 = 985,892.40/x
  3. Step 3: Cross multiply
    1,085,619.60x = 1,628,429.40 × 985,892.40
  4. Step 4: Simplify right side
    1,085,619.60x = 1,605,456,169,396.56
  5. Step 5: Solve for x
    x = 1,605,456,169,396.56/1,085,619.60
  6. Step 6: Final answer
    x = 1,478,838.60

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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.