Home / 1,055,655.20-1,583,460.64-256,941.20

Finding the Fourth Proportional to 1,055,655.20, 1,583,460.64 and 256,941.20

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Solution

The fourth proportional to 1,055,655.20, 1,583,460.64 and 256,941.20 is: 385,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,655.20 : 1,583,460.64 = 256,941.20 : x
  2. Step 2: Convert to fraction form
    1,055,655.20/1,583,460.64 = 256,941.20/x
  3. Step 3: Cross multiply
    1,055,655.20x = 1,583,460.64 × 256,941.20
  4. Step 4: Simplify right side
    1,055,655.20x = 406,856,276,994.37
  5. Step 5: Solve for x
    x = 406,856,276,994.37/1,055,655.20
  6. Step 6: Final answer
    x = 385,406.41

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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.