Home / 1,045,339.80-1,568,009.70-672,091.80

Finding the Fourth Proportional to 1,045,339.80, 1,568,009.70 and 672,091.80

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Solution

The fourth proportional to 1,045,339.80, 1,568,009.70 and 672,091.80 is: 1,008,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,339.80 : 1,568,009.70 = 672,091.80 : x
  2. Step 2: Convert to fraction form
    1,045,339.80/1,568,009.70 = 672,091.80/x
  3. Step 3: Cross multiply
    1,045,339.80x = 1,568,009.70 × 672,091.80
  4. Step 4: Simplify right side
    1,045,339.80x = 1,053,846,461,690.46
  5. Step 5: Solve for x
    x = 1,053,846,461,690.46/1,045,339.80
  6. Step 6: Final answer
    x = 1,008,137.70

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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.