Home / 1,485,138.48-2,049,493.44-806,075.28

Finding the Fourth Proportional to 1,485,138.48, 2,049,493.44 and 806,075.28

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Solution

The fourth proportional to 1,485,138.48, 2,049,493.44 and 806,075.28 is: 1,112,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,138.48 : 2,049,493.44 = 806,075.28 : x
  2. Step 2: Convert to fraction form
    1,485,138.48/2,049,493.44 = 806,075.28/x
  3. Step 3: Cross multiply
    1,485,138.48x = 2,049,493.44 × 806,075.28
  4. Step 4: Simplify right side
    1,485,138.48x = 1,652,045,998,506.16
  5. Step 5: Solve for x
    x = 1,652,045,998,506.16/1,485,138.48
  6. Step 6: Final answer
    x = 1,112,385.16

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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.