Home / 1,639,286.48-2,459,017.20-517,268

Finding the Fourth Proportional to 1,639,286.48, 2,459,017.20 and 517,268

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Solution

The fourth proportional to 1,639,286.48, 2,459,017.20 and 517,268 is: 775,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,286.48 : 2,459,017.20 = 517,268 : x
  2. Step 2: Convert to fraction form
    1,639,286.48/2,459,017.20 = 517,268/x
  3. Step 3: Cross multiply
    1,639,286.48x = 2,459,017.20 × 517,268
  4. Step 4: Simplify right side
    1,639,286.48x = 1,271,970,909,009.60
  5. Step 5: Solve for x
    x = 1,271,970,909,009.60/1,639,286.48
  6. Step 6: Final answer
    x = 775,929.60

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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.