Home / 1,135,710.72-1,703,954.88-505,064.16

Finding the Fourth Proportional to 1,135,710.72, 1,703,954.88 and 505,064.16

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Solution

The fourth proportional to 1,135,710.72, 1,703,954.88 and 505,064.16 is: 757,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,710.72 : 1,703,954.88 = 505,064.16 : x
  2. Step 2: Convert to fraction form
    1,135,710.72/1,703,954.88 = 505,064.16/x
  3. Step 3: Cross multiply
    1,135,710.72x = 1,703,954.88 × 505,064.16
  4. Step 4: Simplify right side
    1,135,710.72x = 860,606,540,145.10
  5. Step 5: Solve for x
    x = 860,606,540,145.10/1,135,710.72
  6. Step 6: Final answer
    x = 757,769.14

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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.