Home / 1,211,640.60-1,817,460.90-1,203,346.20

Finding the Fourth Proportional to 1,211,640.60, 1,817,460.90 and 1,203,346.20

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Solution

The fourth proportional to 1,211,640.60, 1,817,460.90 and 1,203,346.20 is: 1,805,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,640.60 : 1,817,460.90 = 1,203,346.20 : x
  2. Step 2: Convert to fraction form
    1,211,640.60/1,817,460.90 = 1,203,346.20/x
  3. Step 3: Cross multiply
    1,211,640.60x = 1,817,460.90 × 1,203,346.20
  4. Step 4: Simplify right side
    1,211,640.60x = 2,187,034,667,663.58
  5. Step 5: Solve for x
    x = 2,187,034,667,663.58/1,211,640.60
  6. Step 6: Final answer
    x = 1,805,019.30

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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.