Home / 1,139,778.36-1,709,669.54-465,859.08

Finding the Fourth Proportional to 1,139,778.36, 1,709,669.54 and 465,859.08

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Solution

The fourth proportional to 1,139,778.36, 1,709,669.54 and 465,859.08 is: 698,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,778.36 : 1,709,669.54 = 465,859.08 : x
  2. Step 2: Convert to fraction form
    1,139,778.36/1,709,669.54 = 465,859.08/x
  3. Step 3: Cross multiply
    1,139,778.36x = 1,709,669.54 × 465,859.08
  4. Step 4: Simplify right side
    1,139,778.36x = 796,465,080,173.07
  5. Step 5: Solve for x
    x = 796,465,080,173.07/1,139,778.36
  6. Step 6: Final answer
    x = 698,789.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.