Home / 1,295,090.40-1,942,635.60-348,556.80

Finding the Fourth Proportional to 1,295,090.40, 1,942,635.60 and 348,556.80

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Solution

The fourth proportional to 1,295,090.40, 1,942,635.60 and 348,556.80 is: 522,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,090.40 : 1,942,635.60 = 348,556.80 : x
  2. Step 2: Convert to fraction form
    1,295,090.40/1,942,635.60 = 348,556.80/x
  3. Step 3: Cross multiply
    1,295,090.40x = 1,942,635.60 × 348,556.80
  4. Step 4: Simplify right side
    1,295,090.40x = 677,118,848,302.08
  5. Step 5: Solve for x
    x = 677,118,848,302.08/1,295,090.40
  6. Step 6: Final answer
    x = 522,835.20

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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.