Home / 1,346,145.30-2,019,217.95-1,027,280.70

Finding the Fourth Proportional to 1,346,145.30, 2,019,217.95 and 1,027,280.70

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Solution

The fourth proportional to 1,346,145.30, 2,019,217.95 and 1,027,280.70 is: 1,540,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,145.30 : 2,019,217.95 = 1,027,280.70 : x
  2. Step 2: Convert to fraction form
    1,346,145.30/2,019,217.95 = 1,027,280.70/x
  3. Step 3: Cross multiply
    1,346,145.30x = 2,019,217.95 × 1,027,280.70
  4. Step 4: Simplify right side
    1,346,145.30x = 2,074,303,629,128.57
  5. Step 5: Solve for x
    x = 2,074,303,629,128.57/1,346,145.30
  6. Step 6: Final answer
    x = 1,540,921.05

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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.