Home / 1,309,008.14-1,806,137.01-757,638.30

Finding the Fourth Proportional to 1,309,008.14, 1,806,137.01 and 757,638.30

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Solution

The fourth proportional to 1,309,008.14, 1,806,137.01 and 757,638.30 is: 1,045,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,008.14 : 1,806,137.01 = 757,638.30 : x
  2. Step 2: Convert to fraction form
    1,309,008.14/1,806,137.01 = 757,638.30/x
  3. Step 3: Cross multiply
    1,309,008.14x = 1,806,137.01 × 757,638.30
  4. Step 4: Simplify right side
    1,309,008.14x = 1,368,398,573,823.48
  5. Step 5: Solve for x
    x = 1,368,398,573,823.48/1,309,008.14
  6. Step 6: Final answer
    x = 1,045,370.57

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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.