Home / 1,186,221.26-1,637,102.43-676,999.82

Finding the Fourth Proportional to 1,186,221.26, 1,637,102.43 and 676,999.82

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Solution

The fourth proportional to 1,186,221.26, 1,637,102.43 and 676,999.82 is: 934,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,221.26 : 1,637,102.43 = 676,999.82 : x
  2. Step 2: Convert to fraction form
    1,186,221.26/1,637,102.43 = 676,999.82/x
  3. Step 3: Cross multiply
    1,186,221.26x = 1,637,102.43 × 676,999.82
  4. Step 4: Simplify right side
    1,186,221.26x = 1,108,318,050,431.56
  5. Step 5: Solve for x
    x = 1,108,318,050,431.56/1,186,221.26
  6. Step 6: Final answer
    x = 934,326.58

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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.