Home / 1,490,923.56-2,057,561.08-1,122,741.56

Finding the Fourth Proportional to 1,490,923.56, 2,057,561.08 and 1,122,741.56

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Solution

The fourth proportional to 1,490,923.56, 2,057,561.08 and 1,122,741.56 is: 1,549,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,923.56 : 2,057,561.08 = 1,122,741.56 : x
  2. Step 2: Convert to fraction form
    1,490,923.56/2,057,561.08 = 1,122,741.56/x
  3. Step 3: Cross multiply
    1,490,923.56x = 2,057,561.08 × 1,122,741.56
  4. Step 4: Simplify right side
    1,490,923.56x = 2,310,109,336,754.49
  5. Step 5: Solve for x
    x = 2,310,109,336,754.49/1,490,923.56
  6. Step 6: Final answer
    x = 1,549,448.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.