Home / 1,408,008.70-2,111,313.62-448,339.02

Finding the Fourth Proportional to 1,408,008.70, 2,111,313.62 and 448,339.02

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Solution

The fourth proportional to 1,408,008.70, 2,111,313.62 and 448,339.02 is: 672,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,008.70 : 2,111,313.62 = 448,339.02 : x
  2. Step 2: Convert to fraction form
    1,408,008.70/2,111,313.62 = 448,339.02/x
  3. Step 3: Cross multiply
    1,408,008.70x = 2,111,313.62 × 448,339.02
  4. Step 4: Simplify right side
    1,408,008.70x = 946,584,279,303.45
  5. Step 5: Solve for x
    x = 946,584,279,303.45/1,408,008.70
  6. Step 6: Final answer
    x = 672,285.82

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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.