Home / 1,448,380.40-2,174,644.20-818,524.40

Finding the Fourth Proportional to 1,448,380.40, 2,174,644.20 and 818,524.40

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Solution

The fourth proportional to 1,448,380.40, 2,174,644.20 and 818,524.40 is: 1,228,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,380.40 : 2,174,644.20 = 818,524.40 : x
  2. Step 2: Convert to fraction form
    1,448,380.40/2,174,644.20 = 818,524.40/x
  3. Step 3: Cross multiply
    1,448,380.40x = 2,174,644.20 × 818,524.40
  4. Step 4: Simplify right side
    1,448,380.40x = 1,779,999,339,018.48
  5. Step 5: Solve for x
    x = 1,779,999,339,018.48/1,448,380.40
  6. Step 6: Final answer
    x = 1,228,958.46

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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.