Home / 906,896.40-1,360,344.60-766,928.40

Finding the Fourth Proportional to 906,896.40, 1,360,344.60 and 766,928.40

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Solution

The fourth proportional to 906,896.40, 1,360,344.60 and 766,928.40 is: 1,150,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,896.40 : 1,360,344.60 = 766,928.40 : x
  2. Step 2: Convert to fraction form
    906,896.40/1,360,344.60 = 766,928.40/x
  3. Step 3: Cross multiply
    906,896.40x = 1,360,344.60 × 766,928.40
  4. Step 4: Simplify right side
    906,896.40x = 1,043,286,907,526.64
  5. Step 5: Solve for x
    x = 1,043,286,907,526.64/906,896.40
  6. Step 6: Final answer
    x = 1,150,392.60

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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.