Home / 1,070,020.80-1,605,268.80-360,028.80

Finding the Fourth Proportional to 1,070,020.80, 1,605,268.80 and 360,028.80

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Solution

The fourth proportional to 1,070,020.80, 1,605,268.80 and 360,028.80 is: 540,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,020.80 : 1,605,268.80 = 360,028.80 : x
  2. Step 2: Convert to fraction form
    1,070,020.80/1,605,268.80 = 360,028.80/x
  3. Step 3: Cross multiply
    1,070,020.80x = 1,605,268.80 × 360,028.80
  4. Step 4: Simplify right side
    1,070,020.80x = 577,942,999,741.44
  5. Step 5: Solve for x
    x = 577,942,999,741.44/1,070,020.80
  6. Step 6: Final answer
    x = 540,123.15

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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.