Home / 1,325,297.60-1,987,946.40-438,833.60

Finding the Fourth Proportional to 1,325,297.60, 1,987,946.40 and 438,833.60

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Solution

The fourth proportional to 1,325,297.60, 1,987,946.40 and 438,833.60 is: 658,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,297.60 : 1,987,946.40 = 438,833.60 : x
  2. Step 2: Convert to fraction form
    1,325,297.60/1,987,946.40 = 438,833.60/x
  3. Step 3: Cross multiply
    1,325,297.60x = 1,987,946.40 × 438,833.60
  4. Step 4: Simplify right side
    1,325,297.60x = 872,377,675,319.04
  5. Step 5: Solve for x
    x = 872,377,675,319.04/1,325,297.60
  6. Step 6: Final answer
    x = 658,250.40

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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.