Home / 1,432,713.69-1,977,067.04-788,029.83

Finding the Fourth Proportional to 1,432,713.69, 1,977,067.04 and 788,029.83

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Solution

The fourth proportional to 1,432,713.69, 1,977,067.04 and 788,029.83 is: 1,087,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,713.69 : 1,977,067.04 = 788,029.83 : x
  2. Step 2: Convert to fraction form
    1,432,713.69/1,977,067.04 = 788,029.83/x
  3. Step 3: Cross multiply
    1,432,713.69x = 1,977,067.04 × 788,029.83
  4. Step 4: Simplify right side
    1,432,713.69x = 1,557,987,799,489.65
  5. Step 5: Solve for x
    x = 1,557,987,799,489.65/1,432,713.69
  6. Step 6: Final answer
    x = 1,087,438.34

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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.