Home / 1,408,005.70-2,111,309.12-448,336.02

Finding the Fourth Proportional to 1,408,005.70, 2,111,309.12 and 448,336.02

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Solution

The fourth proportional to 1,408,005.70, 2,111,309.12 and 448,336.02 is: 672,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,005.70 : 2,111,309.12 = 448,336.02 : x
  2. Step 2: Convert to fraction form
    1,408,005.70/2,111,309.12 = 448,336.02/x
  3. Step 3: Cross multiply
    1,408,005.70x = 2,111,309.12 × 448,336.02
  4. Step 4: Simplify right side
    1,408,005.70x = 946,575,927,850.50
  5. Step 5: Solve for x
    x = 946,575,927,850.50/1,408,005.70
  6. Step 6: Final answer
    x = 672,281.32

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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.