Home / 1,120,081.50-1,680,290.73-361,668.78

Finding the Fourth Proportional to 1,120,081.50, 1,680,290.73 and 361,668.78

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Solution

The fourth proportional to 1,120,081.50, 1,680,290.73 and 361,668.78 is: 542,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,081.50 : 1,680,290.73 = 361,668.78 : x
  2. Step 2: Convert to fraction form
    1,120,081.50/1,680,290.73 = 361,668.78/x
  3. Step 3: Cross multiply
    1,120,081.50x = 1,680,290.73 × 361,668.78
  4. Step 4: Simplify right side
    1,120,081.50x = 607,708,698,364.41
  5. Step 5: Solve for x
    x = 607,708,698,364.41/1,120,081.50
  6. Step 6: Final answer
    x = 542,557.57

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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.