Home / 1,344,307.69-1,854,561.72-800,138.35

Finding the Fourth Proportional to 1,344,307.69, 1,854,561.72 and 800,138.35

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Solution

The fourth proportional to 1,344,307.69, 1,854,561.72 and 800,138.35 is: 1,103,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,307.69 : 1,854,561.72 = 800,138.35 : x
  2. Step 2: Convert to fraction form
    1,344,307.69/1,854,561.72 = 800,138.35/x
  3. Step 3: Cross multiply
    1,344,307.69x = 1,854,561.72 × 800,138.35
  4. Step 4: Simplify right side
    1,344,307.69x = 1,483,905,959,932.68
  5. Step 5: Solve for x
    x = 1,483,905,959,932.68/1,344,307.69
  6. Step 6: Final answer
    x = 1,103,843.99

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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.