Home / 1,055,237.89-1,582,845.16-256,520.20

Finding the Fourth Proportional to 1,055,237.89, 1,582,845.16 and 256,520.20

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Solution

The fourth proportional to 1,055,237.89, 1,582,845.16 and 256,520.20 is: 384,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,237.89 : 1,582,845.16 = 256,520.20 : x
  2. Step 2: Convert to fraction form
    1,055,237.89/1,582,845.16 = 256,520.20/x
  3. Step 3: Cross multiply
    1,055,237.89x = 1,582,845.16 × 256,520.20
  4. Step 4: Simplify right side
    1,055,237.89x = 406,031,757,012.23
  5. Step 5: Solve for x
    x = 406,031,757,012.23/1,055,237.89
  6. Step 6: Final answer
    x = 384,777.46

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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.