Home / 1,324,904.60-1,987,356.90-483,784.40

Finding the Fourth Proportional to 1,324,904.60, 1,987,356.90 and 483,784.40

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Solution

The fourth proportional to 1,324,904.60, 1,987,356.90 and 483,784.40 is: 725,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,904.60 : 1,987,356.90 = 483,784.40 : x
  2. Step 2: Convert to fraction form
    1,324,904.60/1,987,356.90 = 483,784.40/x
  3. Step 3: Cross multiply
    1,324,904.60x = 1,987,356.90 × 483,784.40
  4. Step 4: Simplify right side
    1,324,904.60x = 961,452,265,452.36
  5. Step 5: Solve for x
    x = 961,452,265,452.36/1,324,904.60
  6. Step 6: Final answer
    x = 725,676.60

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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.