Home / 1,189,074.64-1,640,918.08-706,037.42

Finding the Fourth Proportional to 1,189,074.64, 1,640,918.08 and 706,037.42

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Solution

The fourth proportional to 1,189,074.64, 1,640,918.08 and 706,037.42 is: 974,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,074.64 : 1,640,918.08 = 706,037.42 : x
  2. Step 2: Convert to fraction form
    1,189,074.64/1,640,918.08 = 706,037.42/x
  3. Step 3: Cross multiply
    1,189,074.64x = 1,640,918.08 × 706,037.42
  4. Step 4: Simplify right side
    1,189,074.64x = 1,158,549,568,004.31
  5. Step 5: Solve for x
    x = 1,158,549,568,004.31/1,189,074.64
  6. Step 6: Final answer
    x = 974,328.71

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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.