Home / 1,365,638.60-2,048,555.10-419,007.80

Finding the Fourth Proportional to 1,365,638.60, 2,048,555.10 and 419,007.80

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Solution

The fourth proportional to 1,365,638.60, 2,048,555.10 and 419,007.80 is: 628,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,638.60 : 2,048,555.10 = 419,007.80 : x
  2. Step 2: Convert to fraction form
    1,365,638.60/2,048,555.10 = 419,007.80/x
  3. Step 3: Cross multiply
    1,365,638.60x = 2,048,555.10 × 419,007.80
  4. Step 4: Simplify right side
    1,365,638.60x = 858,360,565,629.78
  5. Step 5: Solve for x
    x = 858,360,565,629.78/1,365,638.60
  6. Step 6: Final answer
    x = 628,541.52

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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.