Home / 1,336,639.40-2,004,930.30-890,220.20

Finding the Fourth Proportional to 1,336,639.40, 2,004,930.30 and 890,220.20

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Solution

The fourth proportional to 1,336,639.40, 2,004,930.30 and 890,220.20 is: 1,335,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,639.40 : 2,004,930.30 = 890,220.20 : x
  2. Step 2: Convert to fraction form
    1,336,639.40/2,004,930.30 = 890,220.20/x
  3. Step 3: Cross multiply
    1,336,639.40x = 2,004,930.30 × 890,220.20
  4. Step 4: Simplify right side
    1,336,639.40x = 1,784,829,452,652.06
  5. Step 5: Solve for x
    x = 1,784,829,452,652.06/1,336,639.40
  6. Step 6: Final answer
    x = 1,335,311.12

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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.