Home / 1,505,702.16-2,077,883.94-817,379.34

Finding the Fourth Proportional to 1,505,702.16, 2,077,883.94 and 817,379.34

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Solution

The fourth proportional to 1,505,702.16, 2,077,883.94 and 817,379.34 is: 1,127,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,702.16 : 2,077,883.94 = 817,379.34 : x
  2. Step 2: Convert to fraction form
    1,505,702.16/2,077,883.94 = 817,379.34/x
  3. Step 3: Cross multiply
    1,505,702.16x = 2,077,883.94 × 817,379.34
  4. Step 4: Simplify right side
    1,505,702.16x = 1,698,419,403,473.80
  5. Step 5: Solve for x
    x = 1,698,419,403,473.80/1,505,702.16
  6. Step 6: Final answer
    x = 1,127,991.61

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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.