Home / 1,958,784.26-2,703,127.90-1,087,620.84

Finding the Fourth Proportional to 1,958,784.26, 2,703,127.90 and 1,087,620.84

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Solution

The fourth proportional to 1,958,784.26, 2,703,127.90 and 1,087,620.84 is: 1,500,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,784.26 : 2,703,127.90 = 1,087,620.84 : x
  2. Step 2: Convert to fraction form
    1,958,784.26/2,703,127.90 = 1,087,620.84/x
  3. Step 3: Cross multiply
    1,958,784.26x = 2,703,127.90 × 1,087,620.84
  4. Step 4: Simplify right side
    1,958,784.26x = 2,939,978,237,225.44
  5. Step 5: Solve for x
    x = 2,939,978,237,225.44/1,958,784.26
  6. Step 6: Final answer
    x = 1,500,919.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.