Home / 1,493,281.80-2,239,922.70-819,102.60

Finding the Fourth Proportional to 1,493,281.80, 2,239,922.70 and 819,102.60

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Solution

The fourth proportional to 1,493,281.80, 2,239,922.70 and 819,102.60 is: 1,228,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,281.80 : 2,239,922.70 = 819,102.60 : x
  2. Step 2: Convert to fraction form
    1,493,281.80/2,239,922.70 = 819,102.60/x
  3. Step 3: Cross multiply
    1,493,281.80x = 2,239,922.70 × 819,102.60
  4. Step 4: Simplify right side
    1,493,281.80x = 1,834,726,507,369.02
  5. Step 5: Solve for x
    x = 1,834,726,507,369.02/1,493,281.80
  6. Step 6: Final answer
    x = 1,228,653.90

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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.