Home / 1,328,232.86-1,990,667.09-848,275.22

Finding the Fourth Proportional to 1,328,232.86, 1,990,667.09 and 848,275.22

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Solution

The fourth proportional to 1,328,232.86, 1,990,667.09 and 848,275.22 is: 1,271,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,232.86 : 1,990,667.09 = 848,275.22 : x
  2. Step 2: Convert to fraction form
    1,328,232.86/1,990,667.09 = 848,275.22/x
  3. Step 3: Cross multiply
    1,328,232.86x = 1,990,667.09 × 848,275.22
  4. Step 4: Simplify right side
    1,328,232.86x = 1,688,633,549,521.80
  5. Step 5: Solve for x
    x = 1,688,633,549,521.80/1,328,232.86
  6. Step 6: Final answer
    x = 1,271,338.49

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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.