Home / 1,213,834.40-1,820,751.60-1,111,482.80

Finding the Fourth Proportional to 1,213,834.40, 1,820,751.60 and 1,111,482.80

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Solution

The fourth proportional to 1,213,834.40, 1,820,751.60 and 1,111,482.80 is: 1,667,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,834.40 : 1,820,751.60 = 1,111,482.80 : x
  2. Step 2: Convert to fraction form
    1,213,834.40/1,820,751.60 = 1,111,482.80/x
  3. Step 3: Cross multiply
    1,213,834.40x = 1,820,751.60 × 1,111,482.80
  4. Step 4: Simplify right side
    1,213,834.40x = 2,023,734,086,472.48
  5. Step 5: Solve for x
    x = 2,023,734,086,472.48/1,213,834.40
  6. Step 6: Final answer
    x = 1,667,224.20

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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.