Home / 1,152,099.72-1,588,717.80-764,778.51

Finding the Fourth Proportional to 1,152,099.72, 1,588,717.80 and 764,778.51

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Solution

The fourth proportional to 1,152,099.72, 1,588,717.80 and 764,778.51 is: 1,054,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,099.72 : 1,588,717.80 = 764,778.51 : x
  2. Step 2: Convert to fraction form
    1,152,099.72/1,588,717.80 = 764,778.51/x
  3. Step 3: Cross multiply
    1,152,099.72x = 1,588,717.80 × 764,778.51
  4. Step 4: Simplify right side
    1,152,099.72x = 1,215,017,231,894.48
  5. Step 5: Solve for x
    x = 1,215,017,231,894.48/1,152,099.72
  6. Step 6: Final answer
    x = 1,054,611.17

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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.