Home / 1,419,907.92-2,130,889.56-555,470.36

Finding the Fourth Proportional to 1,419,907.92, 2,130,889.56 and 555,470.36

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Solution

The fourth proportional to 1,419,907.92, 2,130,889.56 and 555,470.36 is: 833,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,907.92 : 2,130,889.56 = 555,470.36 : x
  2. Step 2: Convert to fraction form
    1,419,907.92/2,130,889.56 = 555,470.36/x
  3. Step 3: Cross multiply
    1,419,907.92x = 2,130,889.56 × 555,470.36
  4. Step 4: Simplify right side
    1,419,907.92x = 1,183,645,991,013.44
  5. Step 5: Solve for x
    x = 1,183,645,991,013.44/1,419,907.92
  6. Step 6: Final answer
    x = 833,607.57

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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.