Home / 1,309,008.39-1,806,137.35-757,638.55

Finding the Fourth Proportional to 1,309,008.39, 1,806,137.35 and 757,638.55

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Solution

The fourth proportional to 1,309,008.39, 1,806,137.35 and 757,638.55 is: 1,045,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,008.39 : 1,806,137.35 = 757,638.55 : x
  2. Step 2: Convert to fraction form
    1,309,008.39/1,806,137.35 = 757,638.55/x
  3. Step 3: Cross multiply
    1,309,008.39x = 1,806,137.35 × 757,638.55
  4. Step 4: Simplify right side
    1,309,008.39x = 1,368,399,282,954.84
  5. Step 5: Solve for x
    x = 1,368,399,282,954.84/1,309,008.39
  6. Step 6: Final answer
    x = 1,045,370.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.