Home / 1,017,611.45-1,526,638.60-307,621.03

Finding the Fourth Proportional to 1,017,611.45, 1,526,638.60 and 307,621.03

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Solution

The fourth proportional to 1,017,611.45, 1,526,638.60 and 307,621.03 is: 461,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,611.45 : 1,526,638.60 = 307,621.03 : x
  2. Step 2: Convert to fraction form
    1,017,611.45/1,526,638.60 = 307,621.03/x
  3. Step 3: Cross multiply
    1,017,611.45x = 1,526,638.60 × 307,621.03
  4. Step 4: Simplify right side
    1,017,611.45x = 469,626,138,569.76
  5. Step 5: Solve for x
    x = 469,626,138,569.76/1,017,611.45
  6. Step 6: Final answer
    x = 461,498.48

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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.