Home / 1,695,980-2,545,136.40-698,708

Finding the Fourth Proportional to 1,695,980, 2,545,136.40 and 698,708

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Solution

The fourth proportional to 1,695,980, 2,545,136.40 and 698,708 is: 1,048,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,980 : 2,545,136.40 = 698,708 : x
  2. Step 2: Convert to fraction form
    1,695,980/2,545,136.40 = 698,708/x
  3. Step 3: Cross multiply
    1,695,980x = 2,545,136.40 × 698,708
  4. Step 4: Simplify right side
    1,695,980x = 1,778,307,163,771.20
  5. Step 5: Solve for x
    x = 1,778,307,163,771.20/1,695,980
  6. Step 6: Final answer
    x = 1,048,542.53

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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.