Home / 1,208,785.05-1,811,350.73-808,709.64

Finding the Fourth Proportional to 1,208,785.05, 1,811,350.73 and 808,709.64

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Solution

The fourth proportional to 1,208,785.05, 1,811,350.73 and 808,709.64 is: 1,211,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,785.05 : 1,811,350.73 = 808,709.64 : x
  2. Step 2: Convert to fraction form
    1,208,785.05/1,811,350.73 = 808,709.64/x
  3. Step 3: Cross multiply
    1,208,785.05x = 1,811,350.73 × 808,709.64
  4. Step 4: Simplify right side
    1,208,785.05x = 1,464,856,792,001.25
  5. Step 5: Solve for x
    x = 1,464,856,792,001.25/1,208,785.05
  6. Step 6: Final answer
    x = 1,211,842.25

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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.