Home / 1,485,005.40-2,049,309.72-805,943.52

Finding the Fourth Proportional to 1,485,005.40, 2,049,309.72 and 805,943.52

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Solution

The fourth proportional to 1,485,005.40, 2,049,309.72 and 805,943.52 is: 1,112,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,005.40 : 2,049,309.72 = 805,943.52 : x
  2. Step 2: Convert to fraction form
    1,485,005.40/2,049,309.72 = 805,943.52/x
  3. Step 3: Cross multiply
    1,485,005.40x = 2,049,309.72 × 805,943.52
  4. Step 4: Simplify right side
    1,485,005.40x = 1,651,627,889,307.01
  5. Step 5: Solve for x
    x = 1,651,627,889,307.01/1,485,005.40
  6. Step 6: Final answer
    x = 1,112,203.29

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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.