Home / 1,260,851.10-1,891,449.45-419,315.10

Finding the Fourth Proportional to 1,260,851.10, 1,891,449.45 and 419,315.10

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Solution

The fourth proportional to 1,260,851.10, 1,891,449.45 and 419,315.10 is: 629,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,851.10 : 1,891,449.45 = 419,315.10 : x
  2. Step 2: Convert to fraction form
    1,260,851.10/1,891,449.45 = 419,315.10/x
  3. Step 3: Cross multiply
    1,260,851.10x = 1,891,449.45 × 419,315.10
  4. Step 4: Simplify right side
    1,260,851.10x = 793,113,315,271.70
  5. Step 5: Solve for x
    x = 793,113,315,271.70/1,260,851.10
  6. Step 6: Final answer
    x = 629,030.12

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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.