Home / 1,380,916.75-2,071,401.06-383,670.67

Finding the Fourth Proportional to 1,380,916.75, 2,071,401.06 and 383,670.67

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Solution

The fourth proportional to 1,380,916.75, 2,071,401.06 and 383,670.67 is: 575,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,916.75 : 2,071,401.06 = 383,670.67 : x
  2. Step 2: Convert to fraction form
    1,380,916.75/2,071,401.06 = 383,670.67/x
  3. Step 3: Cross multiply
    1,380,916.75x = 2,071,401.06 × 383,670.67
  4. Step 4: Simplify right side
    1,380,916.75x = 794,735,832,528.91
  5. Step 5: Solve for x
    x = 794,735,832,528.91/1,380,916.75
  6. Step 6: Final answer
    x = 575,513.21

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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.