Home / 1,017,605.63-1,526,629.88-307,615.22

Finding the Fourth Proportional to 1,017,605.63, 1,526,629.88 and 307,615.22

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Solution

The fourth proportional to 1,017,605.63, 1,526,629.88 and 307,615.22 is: 461,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,605.63 : 1,526,629.88 = 307,615.22 : x
  2. Step 2: Convert to fraction form
    1,017,605.63/1,526,629.88 = 307,615.22/x
  3. Step 3: Cross multiply
    1,017,605.63x = 1,526,629.88 × 307,615.22
  4. Step 4: Simplify right side
    1,017,605.63x = 469,614,585,255.52
  5. Step 5: Solve for x
    x = 469,614,585,255.52/1,017,605.63
  6. Step 6: Final answer
    x = 461,489.77

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1.5x scale

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.