Home / 1,018,631.20-1,526,830.80-512,384.80

Finding the Fourth Proportional to 1,018,631.20, 1,526,830.80 and 512,384.80

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Solution

The fourth proportional to 1,018,631.20, 1,526,830.80 and 512,384.80 is: 768,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,631.20 : 1,526,830.80 = 512,384.80 : x
  2. Step 2: Convert to fraction form
    1,018,631.20/1,526,830.80 = 512,384.80/x
  3. Step 3: Cross multiply
    1,018,631.20x = 1,526,830.80 × 512,384.80
  4. Step 4: Simplify right side
    1,018,631.20x = 782,324,894,091.84
  5. Step 5: Solve for x
    x = 782,324,894,091.84/1,018,631.20
  6. Step 6: Final answer
    x = 768,015.84

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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.