Home / 1,017,722.20-1,526,000.10-307,643.80

Finding the Fourth Proportional to 1,017,722.20, 1,526,000.10 and 307,643.80

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Solution

The fourth proportional to 1,017,722.20, 1,526,000.10 and 307,643.80 is: 461,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,722.20 : 1,526,000.10 = 307,643.80 : x
  2. Step 2: Convert to fraction form
    1,017,722.20/1,526,000.10 = 307,643.80/x
  3. Step 3: Cross multiply
    1,017,722.20x = 1,526,000.10 × 307,643.80
  4. Step 4: Simplify right side
    1,017,722.20x = 469,464,469,564.38
  5. Step 5: Solve for x
    x = 469,464,469,564.38/1,017,722.20
  6. Step 6: Final answer
    x = 461,289.41

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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.