Home / 1,162,176.32-1,603,505.48-678,463.52

Finding the Fourth Proportional to 1,162,176.32, 1,603,505.48 and 678,463.52

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Solution

The fourth proportional to 1,162,176.32, 1,603,505.48 and 678,463.52 is: 936,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,176.32 : 1,603,505.48 = 678,463.52 : x
  2. Step 2: Convert to fraction form
    1,162,176.32/1,603,505.48 = 678,463.52/x
  3. Step 3: Cross multiply
    1,162,176.32x = 1,603,505.48 × 678,463.52
  4. Step 4: Simplify right side
    1,162,176.32x = 1,087,919,960,890.24
  5. Step 5: Solve for x
    x = 1,087,919,960,890.24/1,162,176.32
  6. Step 6: Final answer
    x = 936,105.77

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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.