Home / 1,300,072.60-1,949,331.30-670,216.60

Finding the Fourth Proportional to 1,300,072.60, 1,949,331.30 and 670,216.60

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Solution

The fourth proportional to 1,300,072.60, 1,949,331.30 and 670,216.60 is: 1,004,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,072.60 : 1,949,331.30 = 670,216.60 : x
  2. Step 2: Convert to fraction form
    1,300,072.60/1,949,331.30 = 670,216.60/x
  3. Step 3: Cross multiply
    1,300,072.60x = 1,949,331.30 × 670,216.60
  4. Step 4: Simplify right side
    1,300,072.60x = 1,306,474,196,159.58
  5. Step 5: Solve for x
    x = 1,306,474,196,159.58/1,300,072.60
  6. Step 6: Final answer
    x = 1,004,924.03

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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.