Home / 1,508,986.80-2,263,480.20-387,055.80

Finding the Fourth Proportional to 1,508,986.80, 2,263,480.20 and 387,055.80

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Solution

The fourth proportional to 1,508,986.80, 2,263,480.20 and 387,055.80 is: 580,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,986.80 : 2,263,480.20 = 387,055.80 : x
  2. Step 2: Convert to fraction form
    1,508,986.80/2,263,480.20 = 387,055.80/x
  3. Step 3: Cross multiply
    1,508,986.80x = 2,263,480.20 × 387,055.80
  4. Step 4: Simplify right side
    1,508,986.80x = 876,093,139,595.16
  5. Step 5: Solve for x
    x = 876,093,139,595.16/1,508,986.80
  6. Step 6: Final answer
    x = 580,583.70

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Double scale
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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.