Home / 1,283,339.22-1,924,344.32-684,139.44

Finding the Fourth Proportional to 1,283,339.22, 1,924,344.32 and 684,139.44

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Solution

The fourth proportional to 1,283,339.22, 1,924,344.32 and 684,139.44 is: 1,025,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,339.22 : 1,924,344.32 = 684,139.44 : x
  2. Step 2: Convert to fraction form
    1,283,339.22/1,924,344.32 = 684,139.44/x
  3. Step 3: Cross multiply
    1,283,339.22x = 1,924,344.32 × 684,139.44
  4. Step 4: Simplify right side
    1,283,339.22x = 1,316,519,845,451.98
  5. Step 5: Solve for x
    x = 1,316,519,845,451.98/1,283,339.22
  6. Step 6: Final answer
    x = 1,025,854.91

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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.