Home / 1,788,048.40-2,682,072.60-440,200.30

Finding the Fourth Proportional to 1,788,048.40, 2,682,072.60 and 440,200.30

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Solution

The fourth proportional to 1,788,048.40, 2,682,072.60 and 440,200.30 is: 660,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,048.40 : 2,682,072.60 = 440,200.30 : x
  2. Step 2: Convert to fraction form
    1,788,048.40/2,682,072.60 = 440,200.30/x
  3. Step 3: Cross multiply
    1,788,048.40x = 2,682,072.60 × 440,200.30
  4. Step 4: Simplify right side
    1,788,048.40x = 1,180,649,163,141.78
  5. Step 5: Solve for x
    x = 1,180,649,163,141.78/1,788,048.40
  6. Step 6: Final answer
    x = 660,300.45

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Double scale
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Similar ratio
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1.5x scale

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.