Home / 1,790,425.80-2,470,787.87-974,635.67

Finding the Fourth Proportional to 1,790,425.80, 2,470,787.87 and 974,635.67

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Solution

The fourth proportional to 1,790,425.80, 2,470,787.87 and 974,635.67 is: 1,344,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,425.80 : 2,470,787.87 = 974,635.67 : x
  2. Step 2: Convert to fraction form
    1,790,425.80/2,470,787.87 = 974,635.67/x
  3. Step 3: Cross multiply
    1,790,425.80x = 2,470,787.87 × 974,635.67
  4. Step 4: Simplify right side
    1,790,425.80x = 2,408,117,991,105.32
  5. Step 5: Solve for x
    x = 2,408,117,991,105.32/1,790,425.80
  6. Step 6: Final answer
    x = 1,344,997.37

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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.