Home / 745,087.20-1,117,630.80-668,104.80

Finding the Fourth Proportional to 745,087.20, 1,117,630.80 and 668,104.80

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Solution

The fourth proportional to 745,087.20, 1,117,630.80 and 668,104.80 is: 1,002,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,087.20 : 1,117,630.80 = 668,104.80 : x
  2. Step 2: Convert to fraction form
    745,087.20/1,117,630.80 = 668,104.80/x
  3. Step 3: Cross multiply
    745,087.20x = 1,117,630.80 × 668,104.80
  4. Step 4: Simplify right side
    745,087.20x = 746,694,502,107.84
  5. Step 5: Solve for x
    x = 746,694,502,107.84/745,087.20
  6. Step 6: Final answer
    x = 1,002,157.20

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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.