Home / 1,412,358.36-1,949,067.21-767,779.80

Finding the Fourth Proportional to 1,412,358.36, 1,949,067.21 and 767,779.80

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Solution

The fourth proportional to 1,412,358.36, 1,949,067.21 and 767,779.80 is: 1,059,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,358.36 : 1,949,067.21 = 767,779.80 : x
  2. Step 2: Convert to fraction form
    1,412,358.36/1,949,067.21 = 767,779.80/x
  3. Step 3: Cross multiply
    1,412,358.36x = 1,949,067.21 × 767,779.80
  4. Step 4: Simplify right side
    1,412,358.36x = 1,496,454,432,680.36
  5. Step 5: Solve for x
    x = 1,496,454,432,680.36/1,412,358.36
  6. Step 6: Final answer
    x = 1,059,543.01

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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.