Home / 1,408,774.75-2,113,162.17-660,820.75

Finding the Fourth Proportional to 1,408,774.75, 2,113,162.17 and 660,820.75

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Solution

The fourth proportional to 1,408,774.75, 2,113,162.17 and 660,820.75 is: 991,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,774.75 : 2,113,162.17 = 660,820.75 : x
  2. Step 2: Convert to fraction form
    1,408,774.75/2,113,162.17 = 660,820.75/x
  3. Step 3: Cross multiply
    1,408,774.75x = 2,113,162.17 × 660,820.75
  4. Step 4: Simplify right side
    1,408,774.75x = 1,396,421,410,051.03
  5. Step 5: Solve for x
    x = 1,396,421,410,051.03/1,408,774.75
  6. Step 6: Final answer
    x = 991,231.15

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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.