Home / 1,325,358.40-1,988,037.60-926,449.60

Finding the Fourth Proportional to 1,325,358.40, 1,988,037.60 and 926,449.60

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Solution

The fourth proportional to 1,325,358.40, 1,988,037.60 and 926,449.60 is: 1,389,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,358.40 : 1,988,037.60 = 926,449.60 : x
  2. Step 2: Convert to fraction form
    1,325,358.40/1,988,037.60 = 926,449.60/x
  3. Step 3: Cross multiply
    1,325,358.40x = 1,988,037.60 × 926,449.60
  4. Step 4: Simplify right side
    1,325,358.40x = 1,841,816,639,304.96
  5. Step 5: Solve for x
    x = 1,841,816,639,304.96/1,325,358.40
  6. Step 6: Final answer
    x = 1,389,674.40

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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.