Home / 1,408,004.70-2,111,307.62-448,335.02

Finding the Fourth Proportional to 1,408,004.70, 2,111,307.62 and 448,335.02

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Solution

The fourth proportional to 1,408,004.70, 2,111,307.62 and 448,335.02 is: 672,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,004.70 : 2,111,307.62 = 448,335.02 : x
  2. Step 2: Convert to fraction form
    1,408,004.70/2,111,307.62 = 448,335.02/x
  3. Step 3: Cross multiply
    1,408,004.70x = 2,111,307.62 × 448,335.02
  4. Step 4: Simplify right side
    1,408,004.70x = 946,573,144,038.85
  5. Step 5: Solve for x
    x = 946,573,144,038.85/1,408,004.70
  6. Step 6: Final answer
    x = 672,279.82

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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.