Home / 1,395,346.40-2,093,019.60-448,812.80

Finding the Fourth Proportional to 1,395,346.40, 2,093,019.60 and 448,812.80

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Solution

The fourth proportional to 1,395,346.40, 2,093,019.60 and 448,812.80 is: 673,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,346.40 : 2,093,019.60 = 448,812.80 : x
  2. Step 2: Convert to fraction form
    1,395,346.40/2,093,019.60 = 448,812.80/x
  3. Step 3: Cross multiply
    1,395,346.40x = 2,093,019.60 × 448,812.80
  4. Step 4: Simplify right side
    1,395,346.40x = 939,373,987,130.88
  5. Step 5: Solve for x
    x = 939,373,987,130.88/1,395,346.40
  6. Step 6: Final answer
    x = 673,219.20

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Double scale
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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.