Home / 1,335,195.90-1,842,568.20-723,364.20

Finding the Fourth Proportional to 1,335,195.90, 1,842,568.20 and 723,364.20

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Solution

The fourth proportional to 1,335,195.90, 1,842,568.20 and 723,364.20 is: 998,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,195.90 : 1,842,568.20 = 723,364.20 : x
  2. Step 2: Convert to fraction form
    1,335,195.90/1,842,568.20 = 723,364.20/x
  3. Step 3: Cross multiply
    1,335,195.90x = 1,842,568.20 × 723,364.20
  4. Step 4: Simplify right side
    1,335,195.90x = 1,332,847,871,938.44
  5. Step 5: Solve for x
    x = 1,332,847,871,938.44/1,335,195.90
  6. Step 6: Final answer
    x = 998,241.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.