Home / 1,131,948.99-1,697,706.75-439,515.90

Finding the Fourth Proportional to 1,131,948.99, 1,697,706.75 and 439,515.90

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Solution

The fourth proportional to 1,131,948.99, 1,697,706.75 and 439,515.90 is: 659,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,948.99 : 1,697,706.75 = 439,515.90 : x
  2. Step 2: Convert to fraction form
    1,131,948.99/1,697,706.75 = 439,515.90/x
  3. Step 3: Cross multiply
    1,131,948.99x = 1,697,706.75 × 439,515.90
  4. Step 4: Simplify right side
    1,131,948.99x = 746,169,110,162.33
  5. Step 5: Solve for x
    x = 746,169,110,162.33/1,131,948.99
  6. Step 6: Final answer
    x = 659,189.70

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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.