Home / 1,774,630.40-2,661,945.60-512,499.20

Finding the Fourth Proportional to 1,774,630.40, 2,661,945.60 and 512,499.20

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Solution

The fourth proportional to 1,774,630.40, 2,661,945.60 and 512,499.20 is: 768,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,630.40 : 2,661,945.60 = 512,499.20 : x
  2. Step 2: Convert to fraction form
    1,774,630.40/2,661,945.60 = 512,499.20/x
  3. Step 3: Cross multiply
    1,774,630.40x = 2,661,945.60 × 512,499.20
  4. Step 4: Simplify right side
    1,774,630.40x = 1,364,244,990,443.52
  5. Step 5: Solve for x
    x = 1,364,244,990,443.52/1,774,630.40
  6. Step 6: Final answer
    x = 768,748.80

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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.