Home / 1,280,429.51-1,767,028.37-707,506.79

Finding the Fourth Proportional to 1,280,429.51, 1,767,028.37 and 707,506.79

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Solution

The fourth proportional to 1,280,429.51, 1,767,028.37 and 707,506.79 is: 976,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,429.51 : 1,767,028.37 = 707,506.79 : x
  2. Step 2: Convert to fraction form
    1,280,429.51/1,767,028.37 = 707,506.79/x
  3. Step 3: Cross multiply
    1,280,429.51x = 1,767,028.37 × 707,506.79
  4. Step 4: Simplify right side
    1,280,429.51x = 1,250,184,557,524.96
  5. Step 5: Solve for x
    x = 1,250,184,557,524.96/1,280,429.51
  6. Step 6: Final answer
    x = 976,379.06

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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.