Home / 1,345,879.41-1,856,844.57-862,710.96

Finding the Fourth Proportional to 1,345,879.41, 1,856,844.57 and 862,710.96

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Solution

The fourth proportional to 1,345,879.41, 1,856,844.57 and 862,710.96 is: 1,190,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,879.41 : 1,856,844.57 = 862,710.96 : x
  2. Step 2: Convert to fraction form
    1,345,879.41/1,856,844.57 = 862,710.96/x
  3. Step 3: Cross multiply
    1,345,879.41x = 1,856,844.57 × 862,710.96
  4. Step 4: Simplify right side
    1,345,879.41x = 1,601,920,161,555.49
  5. Step 5: Solve for x
    x = 1,601,920,161,555.49/1,345,879.41
  6. Step 6: Final answer
    x = 1,190,240.48

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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.