Home / 1,240,241.83-1,711,551.68-696,495.31

Finding the Fourth Proportional to 1,240,241.83, 1,711,551.68 and 696,495.31

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Solution

The fourth proportional to 1,240,241.83, 1,711,551.68 and 696,495.31 is: 961,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,241.83 : 1,711,551.68 = 696,495.31 : x
  2. Step 2: Convert to fraction form
    1,240,241.83/1,711,551.68 = 696,495.31/x
  3. Step 3: Cross multiply
    1,240,241.83x = 1,711,551.68 × 696,495.31
  4. Step 4: Simplify right side
    1,240,241.83x = 1,192,087,717,942.62
  5. Step 5: Solve for x
    x = 1,192,087,717,942.62/1,240,241.83
  6. Step 6: Final answer
    x = 961,173.61

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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.