Home / 1,408,017.60-2,112,043.68-931,296.96

Finding the Fourth Proportional to 1,408,017.60, 2,112,043.68 and 931,296.96

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Solution

The fourth proportional to 1,408,017.60, 2,112,043.68 and 931,296.96 is: 1,396,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,017.60 : 2,112,043.68 = 931,296.96 : x
  2. Step 2: Convert to fraction form
    1,408,017.60/2,112,043.68 = 931,296.96/x
  3. Step 3: Cross multiply
    1,408,017.60x = 2,112,043.68 × 931,296.96
  4. Step 4: Simplify right side
    1,408,017.60x = 1,966,939,858,571.21
  5. Step 5: Solve for x
    x = 1,966,939,858,571.21/1,408,017.60
  6. Step 6: Final answer
    x = 1,396,956.87

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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.