Home / 1,230,852.75-1,698,662.39-687,094.69

Finding the Fourth Proportional to 1,230,852.75, 1,698,662.39 and 687,094.69

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Solution

The fourth proportional to 1,230,852.75, 1,698,662.39 and 687,094.69 is: 948,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,852.75 : 1,698,662.39 = 687,094.69 : x
  2. Step 2: Convert to fraction form
    1,230,852.75/1,698,662.39 = 687,094.69/x
  3. Step 3: Cross multiply
    1,230,852.75x = 1,698,662.39 × 687,094.69
  4. Step 4: Simplify right side
    1,230,852.75x = 1,167,141,903,774.57
  5. Step 5: Solve for x
    x = 1,167,141,903,774.57/1,230,852.75
  6. Step 6: Final answer
    x = 948,238.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.