Home / 1,325,185.60-1,987,795.68-378,587.20

Finding the Fourth Proportional to 1,325,185.60, 1,987,795.68 and 378,587.20

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Solution

The fourth proportional to 1,325,185.60, 1,987,795.68 and 378,587.20 is: 567,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,185.60 : 1,987,795.68 = 378,587.20 : x
  2. Step 2: Convert to fraction form
    1,325,185.60/1,987,795.68 = 378,587.20/x
  3. Step 3: Cross multiply
    1,325,185.60x = 1,987,795.68 × 378,587.20
  4. Step 4: Simplify right side
    1,325,185.60x = 752,554,000,663.30
  5. Step 5: Solve for x
    x = 752,554,000,663.30/1,325,185.60
  6. Step 6: Final answer
    x = 567,885.74

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1.5x scale

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.