Home / 1,264,837.44-1,896,981.37-400,339.58

Finding the Fourth Proportional to 1,264,837.44, 1,896,981.37 and 400,339.58

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Solution

The fourth proportional to 1,264,837.44, 1,896,981.37 and 400,339.58 is: 600,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,837.44 : 1,896,981.37 = 400,339.58 : x
  2. Step 2: Convert to fraction form
    1,264,837.44/1,896,981.37 = 400,339.58/x
  3. Step 3: Cross multiply
    1,264,837.44x = 1,896,981.37 × 400,339.58
  4. Step 4: Simplify right side
    1,264,837.44x = 759,436,724,933.63
  5. Step 5: Solve for x
    x = 759,436,724,933.63/1,264,837.44
  6. Step 6: Final answer
    x = 600,422.39

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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.