Home / 1,212,947.10-1,819,420.65-1,197,200.70

Finding the Fourth Proportional to 1,212,947.10, 1,819,420.65 and 1,197,200.70

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Solution

The fourth proportional to 1,212,947.10, 1,819,420.65 and 1,197,200.70 is: 1,795,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,947.10 : 1,819,420.65 = 1,197,200.70 : x
  2. Step 2: Convert to fraction form
    1,212,947.10/1,819,420.65 = 1,197,200.70/x
  3. Step 3: Cross multiply
    1,212,947.10x = 1,819,420.65 × 1,197,200.70
  4. Step 4: Simplify right side
    1,212,947.10x = 2,178,211,675,774.45
  5. Step 5: Solve for x
    x = 2,178,211,675,774.45/1,212,947.10
  6. Step 6: Final answer
    x = 1,795,801.05

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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.