Home / 1,340,405.40-2,010,899.70-441,694.20

Finding the Fourth Proportional to 1,340,405.40, 2,010,899.70 and 441,694.20

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Solution

The fourth proportional to 1,340,405.40, 2,010,899.70 and 441,694.20 is: 662,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,405.40 : 2,010,899.70 = 441,694.20 : x
  2. Step 2: Convert to fraction form
    1,340,405.40/2,010,899.70 = 441,694.20/x
  3. Step 3: Cross multiply
    1,340,405.40x = 2,010,899.70 × 441,694.20
  4. Step 4: Simplify right side
    1,340,405.40x = 888,202,734,271.74
  5. Step 5: Solve for x
    x = 888,202,734,271.74/1,340,405.40
  6. Step 6: Final answer
    x = 662,637.39

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Double scale
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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.