Home / 1,458,219.70-2,187,329.55-1,245,643.30

Finding the Fourth Proportional to 1,458,219.70, 2,187,329.55 and 1,245,643.30

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Solution

The fourth proportional to 1,458,219.70, 2,187,329.55 and 1,245,643.30 is: 1,868,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,219.70 : 2,187,329.55 = 1,245,643.30 : x
  2. Step 2: Convert to fraction form
    1,458,219.70/2,187,329.55 = 1,245,643.30/x
  3. Step 3: Cross multiply
    1,458,219.70x = 2,187,329.55 × 1,245,643.30
  4. Step 4: Simplify right side
    1,458,219.70x = 2,724,632,398,849.51
  5. Step 5: Solve for x
    x = 2,724,632,398,849.51/1,458,219.70
  6. Step 6: Final answer
    x = 1,868,464.95

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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.