Home / 1,296,018.60-1,944,027.90-664,996.20

Finding the Fourth Proportional to 1,296,018.60, 1,944,027.90 and 664,996.20

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Solution

The fourth proportional to 1,296,018.60, 1,944,027.90 and 664,996.20 is: 997,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,018.60 : 1,944,027.90 = 664,996.20 : x
  2. Step 2: Convert to fraction form
    1,296,018.60/1,944,027.90 = 664,996.20/x
  3. Step 3: Cross multiply
    1,296,018.60x = 1,944,027.90 × 664,996.20
  4. Step 4: Simplify right side
    1,296,018.60x = 1,292,771,166,193.98
  5. Step 5: Solve for x
    x = 1,292,771,166,193.98/1,296,018.60
  6. Step 6: Final answer
    x = 997,494.30

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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.