Home / 1,780,907.80-2,667,732.90-1,104,914.20

Finding the Fourth Proportional to 1,780,907.80, 2,667,732.90 and 1,104,914.20

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Solution

The fourth proportional to 1,780,907.80, 2,667,732.90 and 1,104,914.20 is: 1,655,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,907.80 : 2,667,732.90 = 1,104,914.20 : x
  2. Step 2: Convert to fraction form
    1,780,907.80/2,667,732.90 = 1,104,914.20/x
  3. Step 3: Cross multiply
    1,780,907.80x = 2,667,732.90 × 1,104,914.20
  4. Step 4: Simplify right side
    1,780,907.80x = 2,947,615,963,017.18
  5. Step 5: Solve for x
    x = 2,947,615,963,017.18/1,780,907.80
  6. Step 6: Final answer
    x = 1,655,119.91

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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.