Home / 1,218,617.73-1,828,009.56-320,057.90

Finding the Fourth Proportional to 1,218,617.73, 1,828,009.56 and 320,057.90

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Solution

The fourth proportional to 1,218,617.73, 1,828,009.56 and 320,057.90 is: 480,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,617.73 : 1,828,009.56 = 320,057.90 : x
  2. Step 2: Convert to fraction form
    1,218,617.73/1,828,009.56 = 320,057.90/x
  3. Step 3: Cross multiply
    1,218,617.73x = 1,828,009.56 × 320,057.90
  4. Step 4: Simplify right side
    1,218,617.73x = 585,068,900,953.52
  5. Step 5: Solve for x
    x = 585,068,900,953.52/1,218,617.73
  6. Step 6: Final answer
    x = 480,108.64

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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.