Home / 1,138,675.98-1,707,455.88-380,256.78

Finding the Fourth Proportional to 1,138,675.98, 1,707,455.88 and 380,256.78

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Solution

The fourth proportional to 1,138,675.98, 1,707,455.88 and 380,256.78 is: 570,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,675.98 : 1,707,455.88 = 380,256.78 : x
  2. Step 2: Convert to fraction form
    1,138,675.98/1,707,455.88 = 380,256.78/x
  3. Step 3: Cross multiply
    1,138,675.98x = 1,707,455.88 × 380,256.78
  4. Step 4: Simplify right side
    1,138,675.98x = 649,271,674,920.87
  5. Step 5: Solve for x
    x = 649,271,674,920.87/1,138,675.98
  6. Step 6: Final answer
    x = 570,198.80

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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.