Home / 1,085,131.75-1,627,539.16-316,422.89

Finding the Fourth Proportional to 1,085,131.75, 1,627,539.16 and 316,422.89

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Solution

The fourth proportional to 1,085,131.75, 1,627,539.16 and 316,422.89 is: 474,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,131.75 : 1,627,539.16 = 316,422.89 : x
  2. Step 2: Convert to fraction form
    1,085,131.75/1,627,539.16 = 316,422.89/x
  3. Step 3: Cross multiply
    1,085,131.75x = 1,627,539.16 × 316,422.89
  4. Step 4: Simplify right side
    1,085,131.75x = 514,990,640,922.05
  5. Step 5: Solve for x
    x = 514,990,640,922.05/1,085,131.75
  6. Step 6: Final answer
    x = 474,588.12

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1.5x scale

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.