Home / 1,336,693.81-2,005,007.41-390,072.73

Finding the Fourth Proportional to 1,336,693.81, 2,005,007.41 and 390,072.73

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Solution

The fourth proportional to 1,336,693.81, 2,005,007.41 and 390,072.73 is: 585,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,693.81 : 2,005,007.41 = 390,072.73 : x
  2. Step 2: Convert to fraction form
    1,336,693.81/2,005,007.41 = 390,072.73/x
  3. Step 3: Cross multiply
    1,336,693.81x = 2,005,007.41 × 390,072.73
  4. Step 4: Simplify right side
    1,336,693.81x = 782,098,714,088.93
  5. Step 5: Solve for x
    x = 782,098,714,088.93/1,336,693.81
  6. Step 6: Final answer
    x = 585,099.38

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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.