Home / 1,295,078.40-1,942,617.60-348,544.80

Finding the Fourth Proportional to 1,295,078.40, 1,942,617.60 and 348,544.80

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Solution

The fourth proportional to 1,295,078.40, 1,942,617.60 and 348,544.80 is: 522,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,078.40 : 1,942,617.60 = 348,544.80 : x
  2. Step 2: Convert to fraction form
    1,295,078.40/1,942,617.60 = 348,544.80/x
  3. Step 3: Cross multiply
    1,295,078.40x = 1,942,617.60 × 348,544.80
  4. Step 4: Simplify right side
    1,295,078.40x = 677,089,262,868.48
  5. Step 5: Solve for x
    x = 677,089,262,868.48/1,295,078.40
  6. Step 6: Final answer
    x = 522,817.20

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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.