Home / 1,011,529.76-1,517,520.60-380,449.04

Finding the Fourth Proportional to 1,011,529.76, 1,517,520.60 and 380,449.04

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Solution

The fourth proportional to 1,011,529.76, 1,517,520.60 and 380,449.04 is: 570,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,529.76 : 1,517,520.60 = 380,449.04 : x
  2. Step 2: Convert to fraction form
    1,011,529.76/1,517,520.60 = 380,449.04/x
  3. Step 3: Cross multiply
    1,011,529.76x = 1,517,520.60 × 380,449.04
  4. Step 4: Simplify right side
    1,011,529.76x = 577,339,255,450.22
  5. Step 5: Solve for x
    x = 577,339,255,450.22/1,011,529.76
  6. Step 6: Final answer
    x = 570,758.55

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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.