Home / 1,774,640.40-2,661,960.60-512,509.20

Finding the Fourth Proportional to 1,774,640.40, 2,661,960.60 and 512,509.20

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Solution

The fourth proportional to 1,774,640.40, 2,661,960.60 and 512,509.20 is: 768,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,640.40 : 2,661,960.60 = 512,509.20 : x
  2. Step 2: Convert to fraction form
    1,774,640.40/2,661,960.60 = 512,509.20/x
  3. Step 3: Cross multiply
    1,774,640.40x = 2,661,960.60 × 512,509.20
  4. Step 4: Simplify right side
    1,774,640.40x = 1,364,279,297,537.52
  5. Step 5: Solve for x
    x = 1,364,279,297,537.52/1,774,640.40
  6. Step 6: Final answer
    x = 768,763.80

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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.