Home / 1,408,370.32-2,112,976.52-998,828.64

Finding the Fourth Proportional to 1,408,370.32, 2,112,976.52 and 998,828.64

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Solution

The fourth proportional to 1,408,370.32, 2,112,976.52 and 998,828.64 is: 1,498,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,370.32 : 2,112,976.52 = 998,828.64 : x
  2. Step 2: Convert to fraction form
    1,408,370.32/2,112,976.52 = 998,828.64/x
  3. Step 3: Cross multiply
    1,408,370.32x = 2,112,976.52 × 998,828.64
  4. Step 4: Simplify right side
    1,408,370.32x = 2,110,501,463,823.53
  5. Step 5: Solve for x
    x = 2,110,501,463,823.53/1,408,370.32
  6. Step 6: Final answer
    x = 1,498,541.57

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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.