Home / 1,145,659.34-1,715,871.28-547,039.76

Finding the Fourth Proportional to 1,145,659.34, 1,715,871.28 and 547,039.76

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Solution

The fourth proportional to 1,145,659.34, 1,715,871.28 and 547,039.76 is: 819,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,659.34 : 1,715,871.28 = 547,039.76 : x
  2. Step 2: Convert to fraction form
    1,145,659.34/1,715,871.28 = 547,039.76/x
  3. Step 3: Cross multiply
    1,145,659.34x = 1,715,871.28 × 547,039.76
  4. Step 4: Simplify right side
    1,145,659.34x = 938,649,813,202.09
  5. Step 5: Solve for x
    x = 938,649,813,202.09/1,145,659.34
  6. Step 6: Final answer
    x = 819,309.70

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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.