Home / 1,240,235.28-1,711,623.96-696,407.22

Finding the Fourth Proportional to 1,240,235.28, 1,711,623.96 and 696,407.22

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Solution

The fourth proportional to 1,240,235.28, 1,711,623.96 and 696,407.22 is: 961,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,235.28 : 1,711,623.96 = 696,407.22 : x
  2. Step 2: Convert to fraction form
    1,240,235.28/1,711,623.96 = 696,407.22/x
  3. Step 3: Cross multiply
    1,240,235.28x = 1,711,623.96 × 696,407.22
  4. Step 4: Simplify right side
    1,240,235.28x = 1,191,987,283,668.99
  5. Step 5: Solve for x
    x = 1,191,987,283,668.99/1,240,235.28
  6. Step 6: Final answer
    x = 961,097.71

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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.