Home / 1,408,157.40-2,111,392.56-448,198.35

Finding the Fourth Proportional to 1,408,157.40, 2,111,392.56 and 448,198.35

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Solution

The fourth proportional to 1,408,157.40, 2,111,392.56 and 448,198.35 is: 672,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,157.40 : 2,111,392.56 = 448,198.35 : x
  2. Step 2: Convert to fraction form
    1,408,157.40/2,111,392.56 = 448,198.35/x
  3. Step 3: Cross multiply
    1,408,157.40x = 2,111,392.56 × 448,198.35
  4. Step 4: Simplify right side
    1,408,157.40x = 946,322,661,594.28
  5. Step 5: Solve for x
    x = 946,322,661,594.28/1,408,157.40
  6. Step 6: Final answer
    x = 672,029.04

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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.