Home / 1,398,871.20-2,098,825.20-452,272.80

Finding the Fourth Proportional to 1,398,871.20, 2,098,825.20 and 452,272.80

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Solution

The fourth proportional to 1,398,871.20, 2,098,825.20 and 452,272.80 is: 678,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,871.20 : 2,098,825.20 = 452,272.80 : x
  2. Step 2: Convert to fraction form
    1,398,871.20/2,098,825.20 = 452,272.80/x
  3. Step 3: Cross multiply
    1,398,871.20x = 2,098,825.20 × 452,272.80
  4. Step 4: Simplify right side
    1,398,871.20x = 949,241,549,914.56
  5. Step 5: Solve for x
    x = 949,241,549,914.56/1,398,871.20
  6. Step 6: Final answer
    x = 678,576.81

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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.