Home / 1,331,511.22-1,997,281.41-384,890.14

Finding the Fourth Proportional to 1,331,511.22, 1,997,281.41 and 384,890.14

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Solution

The fourth proportional to 1,331,511.22, 1,997,281.41 and 384,890.14 is: 577,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,511.22 : 1,997,281.41 = 384,890.14 : x
  2. Step 2: Convert to fraction form
    1,331,511.22/1,997,281.41 = 384,890.14/x
  3. Step 3: Cross multiply
    1,331,511.22x = 1,997,281.41 × 384,890.14
  4. Step 4: Simplify right side
    1,331,511.22x = 768,733,921,514.30
  5. Step 5: Solve for x
    x = 768,733,921,514.30/1,331,511.22
  6. Step 6: Final answer
    x = 577,339.42

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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.