Home / 1,296,007.80-1,944,011.70-939,348.60

Finding the Fourth Proportional to 1,296,007.80, 1,944,011.70 and 939,348.60

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Solution

The fourth proportional to 1,296,007.80, 1,944,011.70 and 939,348.60 is: 1,409,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,007.80 : 1,944,011.70 = 939,348.60 : x
  2. Step 2: Convert to fraction form
    1,296,007.80/1,944,011.70 = 939,348.60/x
  3. Step 3: Cross multiply
    1,296,007.80x = 1,944,011.70 × 939,348.60
  4. Step 4: Simplify right side
    1,296,007.80x = 1,826,104,668,778.62
  5. Step 5: Solve for x
    x = 1,826,104,668,778.62/1,296,007.80
  6. Step 6: Final answer
    x = 1,409,022.90

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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.