Home / 1,293,117.07-1,784,556.92-720,157.24

Finding the Fourth Proportional to 1,293,117.07, 1,784,556.92 and 720,157.24

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Solution

The fourth proportional to 1,293,117.07, 1,784,556.92 and 720,157.24 is: 993,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,117.07 : 1,784,556.92 = 720,157.24 : x
  2. Step 2: Convert to fraction form
    1,293,117.07/1,784,556.92 = 720,157.24/x
  3. Step 3: Cross multiply
    1,293,117.07x = 1,784,556.92 × 720,157.24
  4. Step 4: Simplify right side
    1,293,117.07x = 1,285,161,588,619.84
  5. Step 5: Solve for x
    x = 1,285,161,588,619.84/1,293,117.07
  6. Step 6: Final answer
    x = 993,847.83

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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.