Home / 1,422,602.21-2,131,721.85-966,612.71

Finding the Fourth Proportional to 1,422,602.21, 2,131,721.85 and 966,612.71

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Solution

The fourth proportional to 1,422,602.21, 2,131,721.85 and 966,612.71 is: 1,448,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,602.21 : 2,131,721.85 = 966,612.71 : x
  2. Step 2: Convert to fraction form
    1,422,602.21/2,131,721.85 = 966,612.71/x
  3. Step 3: Cross multiply
    1,422,602.21x = 2,131,721.85 × 966,612.71
  4. Step 4: Simplify right side
    1,422,602.21x = 2,060,549,434,394.71
  5. Step 5: Solve for x
    x = 2,060,549,434,394.71/1,422,602.21
  6. Step 6: Final answer
    x = 1,448,436.83

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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.