Home / 1,055,216.40-1,582,810.32-256,495.68

Finding the Fourth Proportional to 1,055,216.40, 1,582,810.32 and 256,495.68

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Solution

The fourth proportional to 1,055,216.40, 1,582,810.32 and 256,495.68 is: 384,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,216.40 : 1,582,810.32 = 256,495.68 : x
  2. Step 2: Convert to fraction form
    1,055,216.40/1,582,810.32 = 256,495.68/x
  3. Step 3: Cross multiply
    1,055,216.40x = 1,582,810.32 × 256,495.68
  4. Step 4: Simplify right side
    1,055,216.40x = 405,984,009,339.42
  5. Step 5: Solve for x
    x = 405,984,009,339.42/1,055,216.40
  6. Step 6: Final answer
    x = 384,740.05

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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.