Home / 1,372,013.58-2,048,232.20-1,280,838.02

Finding the Fourth Proportional to 1,372,013.58, 2,048,232.20 and 1,280,838.02

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Solution

The fourth proportional to 1,372,013.58, 2,048,232.20 and 1,280,838.02 is: 1,912,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,013.58 : 2,048,232.20 = 1,280,838.02 : x
  2. Step 2: Convert to fraction form
    1,372,013.58/2,048,232.20 = 1,280,838.02/x
  3. Step 3: Cross multiply
    1,372,013.58x = 2,048,232.20 × 1,280,838.02
  4. Step 4: Simplify right side
    1,372,013.58x = 2,623,453,658,902.89
  5. Step 5: Solve for x
    x = 2,623,453,658,902.89/1,372,013.58
  6. Step 6: Final answer
    x = 1,912,119.31

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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.