Home / 1,200,070.89-1,799,904.78-401,351.22

Finding the Fourth Proportional to 1,200,070.89, 1,799,904.78 and 401,351.22

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Solution

The fourth proportional to 1,200,070.89, 1,799,904.78 and 401,351.22 is: 601,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,070.89 : 1,799,904.78 = 401,351.22 : x
  2. Step 2: Convert to fraction form
    1,200,070.89/1,799,904.78 = 401,351.22/x
  3. Step 3: Cross multiply
    1,200,070.89x = 1,799,904.78 × 401,351.22
  4. Step 4: Simplify right side
    1,200,070.89x = 722,393,979,336.83
  5. Step 5: Solve for x
    x = 722,393,979,336.83/1,200,070.89
  6. Step 6: Final answer
    x = 601,959.42

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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.