Home / 1,603,279.29-2,211,460.97-1,031,043.45

Finding the Fourth Proportional to 1,603,279.29, 2,211,460.97 and 1,031,043.45

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Solution

The fourth proportional to 1,603,279.29, 2,211,460.97 and 1,031,043.45 is: 1,422,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,279.29 : 2,211,460.97 = 1,031,043.45 : x
  2. Step 2: Convert to fraction form
    1,603,279.29/2,211,460.97 = 1,031,043.45/x
  3. Step 3: Cross multiply
    1,603,279.29x = 2,211,460.97 × 1,031,043.45
  4. Step 4: Simplify right side
    1,603,279.29x = 2,280,112,342,893.93
  5. Step 5: Solve for x
    x = 2,280,112,342,893.93/1,603,279.29
  6. Step 6: Final answer
    x = 1,422,155.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.