Home / 1,485,009.76-2,049,314.88-805,946.44

Finding the Fourth Proportional to 1,485,009.76, 2,049,314.88 and 805,946.44

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Solution

The fourth proportional to 1,485,009.76, 2,049,314.88 and 805,946.44 is: 1,112,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,009.76 : 2,049,314.88 = 805,946.44 : x
  2. Step 2: Convert to fraction form
    1,485,009.76/2,049,314.88 = 805,946.44/x
  3. Step 3: Cross multiply
    1,485,009.76x = 2,049,314.88 × 805,946.44
  4. Step 4: Simplify right side
    1,485,009.76x = 1,651,638,031,975.03
  5. Step 5: Solve for x
    x = 1,651,638,031,975.03/1,485,009.76
  6. Step 6: Final answer
    x = 1,112,206.85

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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.