Home / 1,324,965.04-1,987,448.18-426,406.68

Finding the Fourth Proportional to 1,324,965.04, 1,987,448.18 and 426,406.68

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Solution

The fourth proportional to 1,324,965.04, 1,987,448.18 and 426,406.68 is: 639,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,965.04 : 1,987,448.18 = 426,406.68 : x
  2. Step 2: Convert to fraction form
    1,324,965.04/1,987,448.18 = 426,406.68/x
  3. Step 3: Cross multiply
    1,324,965.04x = 1,987,448.18 × 426,406.68
  4. Step 4: Simplify right side
    1,324,965.04x = 847,461,180,105.84
  5. Step 5: Solve for x
    x = 847,461,180,105.84/1,324,965.04
  6. Step 6: Final answer
    x = 639,610.22

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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.