Home / 1,213,279.80-1,812,812.48-1,170,848.81

Finding the Fourth Proportional to 1,213,279.80, 1,812,812.48 and 1,170,848.81

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Solution

The fourth proportional to 1,213,279.80, 1,812,812.48 and 1,170,848.81 is: 1,749,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,279.80 : 1,812,812.48 = 1,170,848.81 : x
  2. Step 2: Convert to fraction form
    1,213,279.80/1,812,812.48 = 1,170,848.81/x
  3. Step 3: Cross multiply
    1,213,279.80x = 1,812,812.48 × 1,170,848.81
  4. Step 4: Simplify right side
    1,213,279.80x = 2,122,529,329,106.91
  5. Step 5: Solve for x
    x = 2,122,529,329,106.91/1,213,279.80
  6. Step 6: Final answer
    x = 1,749,414.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.