Home / 1,304,025.77-1,954,658.10-438,636.86

Finding the Fourth Proportional to 1,304,025.77, 1,954,658.10 and 438,636.86

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Solution

The fourth proportional to 1,304,025.77, 1,954,658.10 and 438,636.86 is: 657,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,025.77 : 1,954,658.10 = 438,636.86 : x
  2. Step 2: Convert to fraction form
    1,304,025.77/1,954,658.10 = 438,636.86/x
  3. Step 3: Cross multiply
    1,304,025.77x = 1,954,658.10 × 438,636.86
  4. Step 4: Simplify right side
    1,304,025.77x = 857,385,079,391.09
  5. Step 5: Solve for x
    x = 857,385,079,391.09/1,304,025.77
  6. Step 6: Final answer
    x = 657,490.90

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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.