Home / 1,408,368.32-2,112,973.52-998,826.64

Finding the Fourth Proportional to 1,408,368.32, 2,112,973.52 and 998,826.64

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Solution

The fourth proportional to 1,408,368.32, 2,112,973.52 and 998,826.64 is: 1,498,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,368.32 : 2,112,973.52 = 998,826.64 : x
  2. Step 2: Convert to fraction form
    1,408,368.32/2,112,973.52 = 998,826.64/x
  3. Step 3: Cross multiply
    1,408,368.32x = 2,112,973.52 × 998,826.64
  4. Step 4: Simplify right side
    1,408,368.32x = 2,110,494,241,390.57
  5. Step 5: Solve for x
    x = 2,110,494,241,390.57/1,408,368.32
  6. Step 6: Final answer
    x = 1,498,538.57

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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.