Home / 1,557,448.26-2,149,274.57-869,112.89

Finding the Fourth Proportional to 1,557,448.26, 2,149,274.57 and 869,112.89

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Solution

The fourth proportional to 1,557,448.26, 2,149,274.57 and 869,112.89 is: 1,199,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,448.26 : 2,149,274.57 = 869,112.89 : x
  2. Step 2: Convert to fraction form
    1,557,448.26/2,149,274.57 = 869,112.89/x
  3. Step 3: Cross multiply
    1,557,448.26x = 2,149,274.57 × 869,112.89
  4. Step 4: Simplify right side
    1,557,448.26x = 1,867,962,217,844.27
  5. Step 5: Solve for x
    x = 1,867,962,217,844.27/1,557,448.26
  6. Step 6: Final answer
    x = 1,199,373.53

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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.