Home / 1,162,179.16-1,603,509.35-678,466.33

Finding the Fourth Proportional to 1,162,179.16, 1,603,509.35 and 678,466.33

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Solution

The fourth proportional to 1,162,179.16, 1,603,509.35 and 678,466.33 is: 936,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,179.16 : 1,603,509.35 = 678,466.33 : x
  2. Step 2: Convert to fraction form
    1,162,179.16/1,603,509.35 = 678,466.33/x
  3. Step 3: Cross multiply
    1,162,179.16x = 1,603,509.35 × 678,466.33
  4. Step 4: Simplify right side
    1,162,179.16x = 1,087,927,096,414.08
  5. Step 5: Solve for x
    x = 1,087,927,096,414.08/1,162,179.16
  6. Step 6: Final answer
    x = 936,109.63

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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.