Home / 839,187.10-1,258,789.44-671,771.65

Finding the Fourth Proportional to 839,187.10, 1,258,789.44 and 671,771.65

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Solution

The fourth proportional to 839,187.10, 1,258,789.44 and 671,771.65 is: 1,007,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,187.10 : 1,258,789.44 = 671,771.65 : x
  2. Step 2: Convert to fraction form
    839,187.10/1,258,789.44 = 671,771.65/x
  3. Step 3: Cross multiply
    839,187.10x = 1,258,789.44 × 671,771.65
  4. Step 4: Simplify right side
    839,187.10x = 845,619,059,111.38
  5. Step 5: Solve for x
    x = 845,619,059,111.38/839,187.10
  6. Step 6: Final answer
    x = 1,007,664.51

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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.