Home / 1,018,712.70-1,526,953.05-512,466.30

Finding the Fourth Proportional to 1,018,712.70, 1,526,953.05 and 512,466.30

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Solution

The fourth proportional to 1,018,712.70, 1,526,953.05 and 512,466.30 is: 768,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,712.70 : 1,526,953.05 = 512,466.30 : x
  2. Step 2: Convert to fraction form
    1,018,712.70/1,526,953.05 = 512,466.30/x
  3. Step 3: Cross multiply
    1,018,712.70x = 1,526,953.05 × 512,466.30
  4. Step 4: Simplify right side
    1,018,712.70x = 782,511,979,807.22
  5. Step 5: Solve for x
    x = 782,511,979,807.22/1,018,712.70
  6. Step 6: Final answer
    x = 768,138.04

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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.