Home / 1,318,522.50-1,977,860.29-508,911.42

Finding the Fourth Proportional to 1,318,522.50, 1,977,860.29 and 508,911.42

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Solution

The fourth proportional to 1,318,522.50, 1,977,860.29 and 508,911.42 is: 763,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,522.50 : 1,977,860.29 = 508,911.42 : x
  2. Step 2: Convert to fraction form
    1,318,522.50/1,977,860.29 = 508,911.42/x
  3. Step 3: Cross multiply
    1,318,522.50x = 1,977,860.29 × 508,911.42
  4. Step 4: Simplify right side
    1,318,522.50x = 1,006,555,688,745.51
  5. Step 5: Solve for x
    x = 1,006,555,688,745.51/1,318,522.50
  6. Step 6: Final answer
    x = 763,396.67

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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.