Home / 1,093,627.80-1,640,441.70-696,031.20

Finding the Fourth Proportional to 1,093,627.80, 1,640,441.70 and 696,031.20

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Solution

The fourth proportional to 1,093,627.80, 1,640,441.70 and 696,031.20 is: 1,044,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,627.80 : 1,640,441.70 = 696,031.20 : x
  2. Step 2: Convert to fraction form
    1,093,627.80/1,640,441.70 = 696,031.20/x
  3. Step 3: Cross multiply
    1,093,627.80x = 1,640,441.70 × 696,031.20
  4. Step 4: Simplify right side
    1,093,627.80x = 1,141,798,604,981.04
  5. Step 5: Solve for x
    x = 1,141,798,604,981.04/1,093,627.80
  6. Step 6: Final answer
    x = 1,044,046.80

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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.