Home / 911,147.91-1,368,126.44-770,836.83

Finding the Fourth Proportional to 911,147.91, 1,368,126.44 and 770,836.83

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Solution

The fourth proportional to 911,147.91, 1,368,126.44 and 770,836.83 is: 1,157,443.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,147.91 : 1,368,126.44 = 770,836.83 : x
  2. Step 2: Convert to fraction form
    911,147.91/1,368,126.44 = 770,836.83/x
  3. Step 3: Cross multiply
    911,147.91x = 1,368,126.44 × 770,836.83
  4. Step 4: Simplify right side
    911,147.91x = 1,054,602,248,048.79
  5. Step 5: Solve for x
    x = 1,054,602,248,048.79/911,147.91
  6. Step 6: Final answer
    x = 1,157,443.52

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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.