Home / 1,419,107.60-2,130,216.60-887,229.20

Finding the Fourth Proportional to 1,419,107.60, 2,130,216.60 and 887,229.20

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Solution

The fourth proportional to 1,419,107.60, 2,130,216.60 and 887,229.20 is: 1,331,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,107.60 : 2,130,216.60 = 887,229.20 : x
  2. Step 2: Convert to fraction form
    1,419,107.60/2,130,216.60 = 887,229.20/x
  3. Step 3: Cross multiply
    1,419,107.60x = 2,130,216.60 × 887,229.20
  4. Step 4: Simplify right side
    1,419,107.60x = 1,889,990,369,844.72
  5. Step 5: Solve for x
    x = 1,889,990,369,844.72/1,419,107.60
  6. Step 6: Final answer
    x = 1,331,816.11

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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.