Home / 1,384,045.54-2,075,071.79-850,464.11

Finding the Fourth Proportional to 1,384,045.54, 2,075,071.79 and 850,464.11

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Solution

The fourth proportional to 1,384,045.54, 2,075,071.79 and 850,464.11 is: 1,275,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,045.54 : 2,075,071.79 = 850,464.11 : x
  2. Step 2: Convert to fraction form
    1,384,045.54/2,075,071.79 = 850,464.11/x
  3. Step 3: Cross multiply
    1,384,045.54x = 2,075,071.79 × 850,464.11
  4. Step 4: Simplify right side
    1,384,045.54x = 1,764,774,090,382.30
  5. Step 5: Solve for x
    x = 1,764,774,090,382.30/1,384,045.54
  6. Step 6: Final answer
    x = 1,275,083.83

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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.