Home / 1,485,006.53-2,049,309.86-805,943.03

Finding the Fourth Proportional to 1,485,006.53, 2,049,309.86 and 805,943.03

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Solution

The fourth proportional to 1,485,006.53, 2,049,309.86 and 805,943.03 is: 1,112,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,006.53 : 2,049,309.86 = 805,943.03 : x
  2. Step 2: Convert to fraction form
    1,485,006.53/2,049,309.86 = 805,943.03/x
  3. Step 3: Cross multiply
    1,485,006.53x = 2,049,309.86 × 805,943.03
  4. Step 4: Simplify right side
    1,485,006.53x = 1,651,626,989,982.89
  5. Step 5: Solve for x
    x = 1,651,626,989,982.89/1,485,006.53
  6. Step 6: Final answer
    x = 1,112,201.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.