Home / 1,359,751.30-2,040,404.55-939,328.90

Finding the Fourth Proportional to 1,359,751.30, 2,040,404.55 and 939,328.90

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Solution

The fourth proportional to 1,359,751.30, 2,040,404.55 and 939,328.90 is: 1,409,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,751.30 : 2,040,404.55 = 939,328.90 : x
  2. Step 2: Convert to fraction form
    1,359,751.30/2,040,404.55 = 939,328.90/x
  3. Step 3: Cross multiply
    1,359,751.30x = 2,040,404.55 × 939,328.90
  4. Step 4: Simplify right side
    1,359,751.30x = 1,916,610,961,506.50
  5. Step 5: Solve for x
    x = 1,916,610,961,506.50/1,359,751.30
  6. Step 6: Final answer
    x = 1,409,530.52

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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.