Home / 1,124,272.20-1,685,825.10-413,934.60

Finding the Fourth Proportional to 1,124,272.20, 1,685,825.10 and 413,934.60

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Solution

The fourth proportional to 1,124,272.20, 1,685,825.10 and 413,934.60 is: 620,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,272.20 : 1,685,825.10 = 413,934.60 : x
  2. Step 2: Convert to fraction form
    1,124,272.20/1,685,825.10 = 413,934.60/x
  3. Step 3: Cross multiply
    1,124,272.20x = 1,685,825.10 × 413,934.60
  4. Step 4: Simplify right side
    1,124,272.20x = 697,821,338,438.46
  5. Step 5: Solve for x
    x = 697,821,338,438.46/1,124,272.20
  6. Step 6: Final answer
    x = 620,687.18

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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.