Home / 1,408,148.58-2,111,379.35-448,189.53

Finding the Fourth Proportional to 1,408,148.58, 2,111,379.35 and 448,189.53

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Solution

The fourth proportional to 1,408,148.58, 2,111,379.35 and 448,189.53 is: 672,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,148.58 : 2,111,379.35 = 448,189.53 : x
  2. Step 2: Convert to fraction form
    1,408,148.58/2,111,379.35 = 448,189.53/x
  3. Step 3: Cross multiply
    1,408,148.58x = 2,111,379.35 × 448,189.53
  4. Step 4: Simplify right side
    1,408,148.58x = 946,298,116,287.26
  5. Step 5: Solve for x
    x = 946,298,116,287.26/1,408,148.58
  6. Step 6: Final answer
    x = 672,015.82

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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.