Home / 1,298,947.24-1,791,382.62-1,081,876.60

Finding the Fourth Proportional to 1,298,947.24, 1,791,382.62 and 1,081,876.60

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Solution

The fourth proportional to 1,298,947.24, 1,791,382.62 and 1,081,876.60 is: 1,492,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,947.24 : 1,791,382.62 = 1,081,876.60 : x
  2. Step 2: Convert to fraction form
    1,298,947.24/1,791,382.62 = 1,081,876.60/x
  3. Step 3: Cross multiply
    1,298,947.24x = 1,791,382.62 × 1,081,876.60
  4. Step 4: Simplify right side
    1,298,947.24x = 1,938,054,938,224.69
  5. Step 5: Solve for x
    x = 1,938,054,938,224.69/1,298,947.24
  6. Step 6: Final answer
    x = 1,492,019.75

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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.