Home / 1,361,897.20-2,042,627.10-415,047.70

Finding the Fourth Proportional to 1,361,897.20, 2,042,627.10 and 415,047.70

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Solution

The fourth proportional to 1,361,897.20, 2,042,627.10 and 415,047.70 is: 622,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,897.20 : 2,042,627.10 = 415,047.70 : x
  2. Step 2: Convert to fraction form
    1,361,897.20/2,042,627.10 = 415,047.70/x
  3. Step 3: Cross multiply
    1,361,897.20x = 2,042,627.10 × 415,047.70
  4. Step 4: Simplify right side
    1,361,897.20x = 847,787,679,812.67
  5. Step 5: Solve for x
    x = 847,787,679,812.67/1,361,897.20
  6. Step 6: Final answer
    x = 622,504.90

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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.