Home / 1,359,965.10-2,039,947.65-1,212,998.70

Finding the Fourth Proportional to 1,359,965.10, 2,039,947.65 and 1,212,998.70

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Solution

The fourth proportional to 1,359,965.10, 2,039,947.65 and 1,212,998.70 is: 1,819,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,965.10 : 2,039,947.65 = 1,212,998.70 : x
  2. Step 2: Convert to fraction form
    1,359,965.10/2,039,947.65 = 1,212,998.70/x
  3. Step 3: Cross multiply
    1,359,965.10x = 2,039,947.65 × 1,212,998.70
  4. Step 4: Simplify right side
    1,359,965.10x = 2,474,453,847,518.05
  5. Step 5: Solve for x
    x = 2,474,453,847,518.05/1,359,965.10
  6. Step 6: Final answer
    x = 1,819,498.05

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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.