Home / 1,340,097.45-1,849,328.39-728,238.65

Finding the Fourth Proportional to 1,340,097.45, 1,849,328.39 and 728,238.65

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Solution

The fourth proportional to 1,340,097.45, 1,849,328.39 and 728,238.65 is: 1,004,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,097.45 : 1,849,328.39 = 728,238.65 : x
  2. Step 2: Convert to fraction form
    1,340,097.45/1,849,328.39 = 728,238.65/x
  3. Step 3: Cross multiply
    1,340,097.45x = 1,849,328.39 × 728,238.65
  4. Step 4: Simplify right side
    1,340,097.45x = 1,346,752,397,252.44
  5. Step 5: Solve for x
    x = 1,346,752,397,252.44/1,340,097.45
  6. Step 6: Final answer
    x = 1,004,966.02

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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.