Home / 1,018,701.70-1,526,936.55-512,455.30

Finding the Fourth Proportional to 1,018,701.70, 1,526,936.55 and 512,455.30

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Solution

The fourth proportional to 1,018,701.70, 1,526,936.55 and 512,455.30 is: 768,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,701.70 : 1,526,936.55 = 512,455.30 : x
  2. Step 2: Convert to fraction form
    1,018,701.70/1,526,936.55 = 512,455.30/x
  3. Step 3: Cross multiply
    1,018,701.70x = 1,526,936.55 × 512,455.30
  4. Step 4: Simplify right side
    1,018,701.70x = 782,486,727,811.22
  5. Step 5: Solve for x
    x = 782,486,727,811.22/1,018,701.70
  6. Step 6: Final answer
    x = 768,121.55

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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.