Home / 1,370,926.48-2,060,039.40-1,284,736.90

Finding the Fourth Proportional to 1,370,926.48, 2,060,039.40 and 1,284,736.90

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Solution

The fourth proportional to 1,370,926.48, 2,060,039.40 and 1,284,736.90 is: 1,930,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,926.48 : 2,060,039.40 = 1,284,736.90 : x
  2. Step 2: Convert to fraction form
    1,370,926.48/2,060,039.40 = 1,284,736.90/x
  3. Step 3: Cross multiply
    1,370,926.48x = 2,060,039.40 × 1,284,736.90
  4. Step 4: Simplify right side
    1,370,926.48x = 2,646,608,632,633.86
  5. Step 5: Solve for x
    x = 2,646,608,632,633.86/1,370,926.48
  6. Step 6: Final answer
    x = 1,930,525.58

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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.