Home / 1,325,450.07-1,991,168.01-786,060.16

Finding the Fourth Proportional to 1,325,450.07, 1,991,168.01 and 786,060.16

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Solution

The fourth proportional to 1,325,450.07, 1,991,168.01 and 786,060.16 is: 1,180,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,450.07 : 1,991,168.01 = 786,060.16 : x
  2. Step 2: Convert to fraction form
    1,325,450.07/1,991,168.01 = 786,060.16/x
  3. Step 3: Cross multiply
    1,325,450.07x = 1,991,168.01 × 786,060.16
  4. Step 4: Simplify right side
    1,325,450.07x = 1,565,177,841,244.28
  5. Step 5: Solve for x
    x = 1,565,177,841,244.28/1,325,450.07
  6. Step 6: Final answer
    x = 1,180,865.19

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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.