Home / 1,549,358.72-2,324,172.05-427,427.72

Finding the Fourth Proportional to 1,549,358.72, 2,324,172.05 and 427,427.72

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Solution

The fourth proportional to 1,549,358.72, 2,324,172.05 and 427,427.72 is: 641,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,358.72 : 2,324,172.05 = 427,427.72 : x
  2. Step 2: Convert to fraction form
    1,549,358.72/2,324,172.05 = 427,427.72/x
  3. Step 3: Cross multiply
    1,549,358.72x = 2,324,172.05 × 427,427.72
  4. Step 4: Simplify right side
    1,549,358.72x = 993,415,556,779.73
  5. Step 5: Solve for x
    x = 993,415,556,779.73/1,549,358.72
  6. Step 6: Final answer
    x = 641,178.54

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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.