Home / 1,325,300.61-1,987,950.60-378,671.34

Finding the Fourth Proportional to 1,325,300.61, 1,987,950.60 and 378,671.34

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Solution

The fourth proportional to 1,325,300.61, 1,987,950.60 and 378,671.34 is: 568,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,300.61 : 1,987,950.60 = 378,671.34 : x
  2. Step 2: Convert to fraction form
    1,325,300.61/1,987,950.60 = 378,671.34/x
  3. Step 3: Cross multiply
    1,325,300.61x = 1,987,950.60 × 378,671.34
  4. Step 4: Simplify right side
    1,325,300.61x = 752,779,917,555.80
  5. Step 5: Solve for x
    x = 752,779,917,555.80/1,325,300.61
  6. Step 6: Final answer
    x = 568,006.92

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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.