Home / 1,330,218.65-1,835,701.58-718,371.48

Finding the Fourth Proportional to 1,330,218.65, 1,835,701.58 and 718,371.48

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Solution

The fourth proportional to 1,330,218.65, 1,835,701.58 and 718,371.48 is: 991,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,218.65 : 1,835,701.58 = 718,371.48 : x
  2. Step 2: Convert to fraction form
    1,330,218.65/1,835,701.58 = 718,371.48/x
  3. Step 3: Cross multiply
    1,330,218.65x = 1,835,701.58 × 718,371.48
  4. Step 4: Simplify right side
    1,330,218.65x = 1,318,715,669,542.75
  5. Step 5: Solve for x
    x = 1,318,715,669,542.75/1,330,218.65
  6. Step 6: Final answer
    x = 991,352.56

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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.