Home / 1,198,904.31-1,798,307.06-666,085.50

Finding the Fourth Proportional to 1,198,904.31, 1,798,307.06 and 666,085.50

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Solution

The fourth proportional to 1,198,904.31, 1,798,307.06 and 666,085.50 is: 999,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,904.31 : 1,798,307.06 = 666,085.50 : x
  2. Step 2: Convert to fraction form
    1,198,904.31/1,798,307.06 = 666,085.50/x
  3. Step 3: Cross multiply
    1,198,904.31x = 1,798,307.06 × 666,085.50
  4. Step 4: Simplify right side
    1,198,904.31x = 1,197,826,253,883.20
  5. Step 5: Solve for x
    x = 1,197,826,253,883.20/1,198,904.31
  6. Step 6: Final answer
    x = 999,100.80

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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.