Home / 1,267,771.48-1,749,521.26-687,010.72

Finding the Fourth Proportional to 1,267,771.48, 1,749,521.26 and 687,010.72

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Solution

The fourth proportional to 1,267,771.48, 1,749,521.26 and 687,010.72 is: 948,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,771.48 : 1,749,521.26 = 687,010.72 : x
  2. Step 2: Convert to fraction form
    1,267,771.48/1,749,521.26 = 687,010.72/x
  3. Step 3: Cross multiply
    1,267,771.48x = 1,749,521.26 × 687,010.72
  4. Step 4: Simplify right side
    1,267,771.48x = 1,201,939,860,487.91
  5. Step 5: Solve for x
    x = 1,201,939,860,487.91/1,267,771.48
  6. Step 6: Final answer
    x = 948,072.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.