Home / 1,178,009.62-1,766,002.41-409,407.47

Finding the Fourth Proportional to 1,178,009.62, 1,766,002.41 and 409,407.47

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Solution

The fourth proportional to 1,178,009.62, 1,766,002.41 and 409,407.47 is: 613,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,009.62 : 1,766,002.41 = 409,407.47 : x
  2. Step 2: Convert to fraction form
    1,178,009.62/1,766,002.41 = 409,407.47/x
  3. Step 3: Cross multiply
    1,178,009.62x = 1,766,002.41 × 409,407.47
  4. Step 4: Simplify right side
    1,178,009.62x = 723,014,582,027.09
  5. Step 5: Solve for x
    x = 723,014,582,027.09/1,178,009.62
  6. Step 6: Final answer
    x = 613,759.49

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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.