Home / 1,400,689.88-2,099,538.09-1,000,116.23

Finding the Fourth Proportional to 1,400,689.88, 2,099,538.09 and 1,000,116.23

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Solution

The fourth proportional to 1,400,689.88, 2,099,538.09 and 1,000,116.23 is: 1,499,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,689.88 : 2,099,538.09 = 1,000,116.23 : x
  2. Step 2: Convert to fraction form
    1,400,689.88/2,099,538.09 = 1,000,116.23/x
  3. Step 3: Cross multiply
    1,400,689.88x = 2,099,538.09 × 1,000,116.23
  4. Step 4: Simplify right side
    1,400,689.88x = 2,099,782,108,814.51
  5. Step 5: Solve for x
    x = 2,099,782,108,814.51/1,400,689.88
  6. Step 6: Final answer
    x = 1,499,105.64

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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.