Home / 1,094,550.20-1,641,825.30-921,339.80

Finding the Fourth Proportional to 1,094,550.20, 1,641,825.30 and 921,339.80

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Solution

The fourth proportional to 1,094,550.20, 1,641,825.30 and 921,339.80 is: 1,382,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,550.20 : 1,641,825.30 = 921,339.80 : x
  2. Step 2: Convert to fraction form
    1,094,550.20/1,641,825.30 = 921,339.80/x
  3. Step 3: Cross multiply
    1,094,550.20x = 1,641,825.30 × 921,339.80
  4. Step 4: Simplify right side
    1,094,550.20x = 1,512,678,993,536.94
  5. Step 5: Solve for x
    x = 1,512,678,993,536.94/1,094,550.20
  6. Step 6: Final answer
    x = 1,382,009.70

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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.