Home / 1,315,079.09-1,972,632.99-462,175.07

Finding the Fourth Proportional to 1,315,079.09, 1,972,632.99 and 462,175.07

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Solution

The fourth proportional to 1,315,079.09, 1,972,632.99 and 462,175.07 is: 693,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,079.09 : 1,972,632.99 = 462,175.07 : x
  2. Step 2: Convert to fraction form
    1,315,079.09/1,972,632.99 = 462,175.07/x
  3. Step 3: Cross multiply
    1,315,079.09x = 1,972,632.99 × 462,175.07
  4. Step 4: Simplify right side
    1,315,079.09x = 911,701,782,107.55
  5. Step 5: Solve for x
    x = 911,701,782,107.55/1,315,079.09
  6. Step 6: Final answer
    x = 693,267.64

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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.