Home / 1,018,632.20-1,526,832.30-512,385.80

Finding the Fourth Proportional to 1,018,632.20, 1,526,832.30 and 512,385.80

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Solution

The fourth proportional to 1,018,632.20, 1,526,832.30 and 512,385.80 is: 768,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,632.20 : 1,526,832.30 = 512,385.80 : x
  2. Step 2: Convert to fraction form
    1,018,632.20/1,526,832.30 = 512,385.80/x
  3. Step 3: Cross multiply
    1,018,632.20x = 1,526,832.30 × 512,385.80
  4. Step 4: Simplify right side
    1,018,632.20x = 782,327,189,501.34
  5. Step 5: Solve for x
    x = 782,327,189,501.34/1,018,632.20
  6. Step 6: Final answer
    x = 768,017.34

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1.5x scale

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.