Home / 1,201,980.16-1,802,675.04-403,243.84

Finding the Fourth Proportional to 1,201,980.16, 1,802,675.04 and 403,243.84

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Solution

The fourth proportional to 1,201,980.16, 1,802,675.04 and 403,243.84 is: 604,766.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,980.16 : 1,802,675.04 = 403,243.84 : x
  2. Step 2: Convert to fraction form
    1,201,980.16/1,802,675.04 = 403,243.84/x
  3. Step 3: Cross multiply
    1,201,980.16x = 1,802,675.04 × 403,243.84
  4. Step 4: Simplify right side
    1,201,980.16x = 726,917,605,401.75
  5. Step 5: Solve for x
    x = 726,917,605,401.75/1,201,980.16
  6. Step 6: Final answer
    x = 604,766.73

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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.