Home / 1,268,632.68-1,749,019.46-1,007,853.24

Finding the Fourth Proportional to 1,268,632.68, 1,749,019.46 and 1,007,853.24

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Solution

The fourth proportional to 1,268,632.68, 1,749,019.46 and 1,007,853.24 is: 1,389,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,632.68 : 1,749,019.46 = 1,007,853.24 : x
  2. Step 2: Convert to fraction form
    1,268,632.68/1,749,019.46 = 1,007,853.24/x
  3. Step 3: Cross multiply
    1,268,632.68x = 1,749,019.46 × 1,007,853.24
  4. Step 4: Simplify right side
    1,268,632.68x = 1,762,754,929,584.05
  5. Step 5: Solve for x
    x = 1,762,754,929,584.05/1,268,632.68
  6. Step 6: Final answer
    x = 1,389,491.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.