Home / 1,008,788.48-1,513,544.24-432,169.92

Finding the Fourth Proportional to 1,008,788.48, 1,513,544.24 and 432,169.92

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Solution

The fourth proportional to 1,008,788.48, 1,513,544.24 and 432,169.92 is: 648,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,788.48 : 1,513,544.24 = 432,169.92 : x
  2. Step 2: Convert to fraction form
    1,008,788.48/1,513,544.24 = 432,169.92/x
  3. Step 3: Cross multiply
    1,008,788.48x = 1,513,544.24 × 432,169.92
  4. Step 4: Simplify right side
    1,008,788.48x = 654,108,293,117.26
  5. Step 5: Solve for x
    x = 654,108,293,117.26/1,008,788.48
  6. Step 6: Final answer
    x = 648,409.76

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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.