Home / 1,303,139.20-1,954,708.80-404,573.80

Finding the Fourth Proportional to 1,303,139.20, 1,954,708.80 and 404,573.80

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Solution

The fourth proportional to 1,303,139.20, 1,954,708.80 and 404,573.80 is: 606,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,139.20 : 1,954,708.80 = 404,573.80 : x
  2. Step 2: Convert to fraction form
    1,303,139.20/1,954,708.80 = 404,573.80/x
  3. Step 3: Cross multiply
    1,303,139.20x = 1,954,708.80 × 404,573.80
  4. Step 4: Simplify right side
    1,303,139.20x = 790,823,967,109.44
  5. Step 5: Solve for x
    x = 790,823,967,109.44/1,303,139.20
  6. Step 6: Final answer
    x = 606,860.70

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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.