Home / 1,199,861.56-1,655,809.86-655,988.68

Finding the Fourth Proportional to 1,199,861.56, 1,655,809.86 and 655,988.68

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Solution

The fourth proportional to 1,199,861.56, 1,655,809.86 and 655,988.68 is: 905,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,861.56 : 1,655,809.86 = 655,988.68 : x
  2. Step 2: Convert to fraction form
    1,199,861.56/1,655,809.86 = 655,988.68/x
  3. Step 3: Cross multiply
    1,199,861.56x = 1,655,809.86 × 655,988.68
  4. Step 4: Simplify right side
    1,199,861.56x = 1,086,192,524,392.39
  5. Step 5: Solve for x
    x = 1,086,192,524,392.39/1,199,861.56
  6. Step 6: Final answer
    x = 905,264.87

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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.