Home / 1,168,148.37-1,612,035.37-678,163.35

Finding the Fourth Proportional to 1,168,148.37, 1,612,035.37 and 678,163.35

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Solution

The fourth proportional to 1,168,148.37, 1,612,035.37 and 678,163.35 is: 935,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,148.37 : 1,612,035.37 = 678,163.35 : x
  2. Step 2: Convert to fraction form
    1,168,148.37/1,612,035.37 = 678,163.35/x
  3. Step 3: Cross multiply
    1,168,148.37x = 1,612,035.37 × 678,163.35
  4. Step 4: Simplify right side
    1,168,148.37x = 1,093,223,306,837.69
  5. Step 5: Solve for x
    x = 1,093,223,306,837.69/1,168,148.37
  6. Step 6: Final answer
    x = 935,859.98

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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.