Home / 1,679,286.40-2,518,929.60-682,729.60

Finding the Fourth Proportional to 1,679,286.40, 2,518,929.60 and 682,729.60

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Solution

The fourth proportional to 1,679,286.40, 2,518,929.60 and 682,729.60 is: 1,024,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,286.40 : 2,518,929.60 = 682,729.60 : x
  2. Step 2: Convert to fraction form
    1,679,286.40/2,518,929.60 = 682,729.60/x
  3. Step 3: Cross multiply
    1,679,286.40x = 2,518,929.60 × 682,729.60
  4. Step 4: Simplify right side
    1,679,286.40x = 1,719,747,798,236.16
  5. Step 5: Solve for x
    x = 1,719,747,798,236.16/1,679,286.40
  6. Step 6: Final answer
    x = 1,024,094.40

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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.