Home / 1,296,609.72-1,942,481.32-497,348.72

Finding the Fourth Proportional to 1,296,609.72, 1,942,481.32 and 497,348.72

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Solution

The fourth proportional to 1,296,609.72, 1,942,481.32 and 497,348.72 is: 745,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,609.72 : 1,942,481.32 = 497,348.72 : x
  2. Step 2: Convert to fraction form
    1,296,609.72/1,942,481.32 = 497,348.72/x
  3. Step 3: Cross multiply
    1,296,609.72x = 1,942,481.32 × 497,348.72
  4. Step 4: Simplify right side
    1,296,609.72x = 966,090,598,125.91
  5. Step 5: Solve for x
    x = 966,090,598,125.91/1,296,609.72
  6. Step 6: Final answer
    x = 745,089.74

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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.