Home / 1,367,513.70-2,051,270.55-1,288,781.70

Finding the Fourth Proportional to 1,367,513.70, 2,051,270.55 and 1,288,781.70

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Solution

The fourth proportional to 1,367,513.70, 2,051,270.55 and 1,288,781.70 is: 1,933,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,513.70 : 2,051,270.55 = 1,288,781.70 : x
  2. Step 2: Convert to fraction form
    1,367,513.70/2,051,270.55 = 1,288,781.70/x
  3. Step 3: Cross multiply
    1,367,513.70x = 2,051,270.55 × 1,288,781.70
  4. Step 4: Simplify right side
    1,367,513.70x = 2,643,639,946,588.94
  5. Step 5: Solve for x
    x = 2,643,639,946,588.94/1,367,513.70
  6. Step 6: Final answer
    x = 1,933,172.55

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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.