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Finding the Fourth Proportional to 1,568,448, 2,352,672 and 386,496

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Solution

The fourth proportional to 1,568,448, 2,352,672 and 386,496 is: 579,744

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,448 : 2,352,672 = 386,496 : x
  2. Step 2: Convert to fraction form
    1,568,448/2,352,672 = 386,496/x
  3. Step 3: Cross multiply
    1,568,448x = 2,352,672 × 386,496
  4. Step 4: Simplify right side
    1,568,448x = 909,298,317,312
  5. Step 5: Solve for x
    x = 909,298,317,312/1,568,448
  6. Step 6: Final answer
    x = 579,744

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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.