Home / 1,448,540.60-2,171,946.90-887,977.40

Finding the Fourth Proportional to 1,448,540.60, 2,171,946.90 and 887,977.40

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Solution

The fourth proportional to 1,448,540.60, 2,171,946.90 and 887,977.40 is: 1,331,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,540.60 : 2,171,946.90 = 887,977.40 : x
  2. Step 2: Convert to fraction form
    1,448,540.60/2,171,946.90 = 887,977.40/x
  3. Step 3: Cross multiply
    1,448,540.60x = 2,171,946.90 × 887,977.40
  4. Step 4: Simplify right side
    1,448,540.60x = 1,928,639,761,200.06
  5. Step 5: Solve for x
    x = 1,928,639,761,200.06/1,448,540.60
  6. Step 6: Final answer
    x = 1,331,436.45

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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.