Home / 1,309,249.47-1,806,735.90-757,988.40

Finding the Fourth Proportional to 1,309,249.47, 1,806,735.90 and 757,988.40

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Solution

The fourth proportional to 1,309,249.47, 1,806,735.90 and 757,988.40 is: 1,046,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,249.47 : 1,806,735.90 = 757,988.40 : x
  2. Step 2: Convert to fraction form
    1,309,249.47/1,806,735.90 = 757,988.40/x
  3. Step 3: Cross multiply
    1,309,249.47x = 1,806,735.90 × 757,988.40
  4. Step 4: Simplify right side
    1,309,249.47x = 1,369,484,854,063.56
  5. Step 5: Solve for x
    x = 1,369,484,854,063.56/1,309,249.47
  6. Step 6: Final answer
    x = 1,046,007.57

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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.