Home / 1,695,986-2,545,145.40-698,714

Finding the Fourth Proportional to 1,695,986, 2,545,145.40 and 698,714

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Solution

The fourth proportional to 1,695,986, 2,545,145.40 and 698,714 is: 1,048,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,986 : 2,545,145.40 = 698,714 : x
  2. Step 2: Convert to fraction form
    1,695,986/2,545,145.40 = 698,714/x
  3. Step 3: Cross multiply
    1,695,986x = 2,545,145.40 × 698,714
  4. Step 4: Simplify right side
    1,695,986x = 1,778,328,723,015.60
  5. Step 5: Solve for x
    x = 1,778,328,723,015.60/1,695,986
  6. Step 6: Final answer
    x = 1,048,551.53

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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.