Home / 1,078,102.80-1,617,348.60-447,080.40

Finding the Fourth Proportional to 1,078,102.80, 1,617,348.60 and 447,080.40

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Solution

The fourth proportional to 1,078,102.80, 1,617,348.60 and 447,080.40 is: 670,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,102.80 : 1,617,348.60 = 447,080.40 : x
  2. Step 2: Convert to fraction form
    1,078,102.80/1,617,348.60 = 447,080.40/x
  3. Step 3: Cross multiply
    1,078,102.80x = 1,617,348.60 × 447,080.40
  4. Step 4: Simplify right side
    1,078,102.80x = 723,084,859,027.44
  5. Step 5: Solve for x
    x = 723,084,859,027.44/1,078,102.80
  6. Step 6: Final answer
    x = 670,701.22

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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.