Home / 1,672,426.39-2,308,404.32-984,319.04

Finding the Fourth Proportional to 1,672,426.39, 2,308,404.32 and 984,319.04

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Solution

The fourth proportional to 1,672,426.39, 2,308,404.32 and 984,319.04 is: 1,358,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,426.39 : 2,308,404.32 = 984,319.04 : x
  2. Step 2: Convert to fraction form
    1,672,426.39/2,308,404.32 = 984,319.04/x
  3. Step 3: Cross multiply
    1,672,426.39x = 2,308,404.32 × 984,319.04
  4. Step 4: Simplify right side
    1,672,426.39x = 2,272,206,315,750.09
  5. Step 5: Solve for x
    x = 2,272,206,315,750.09/1,672,426.39
  6. Step 6: Final answer
    x = 1,358,628.60

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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.