Home / 1,176,901.56-1,765,614.72-428,947.56

Finding the Fourth Proportional to 1,176,901.56, 1,765,614.72 and 428,947.56

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Solution

The fourth proportional to 1,176,901.56, 1,765,614.72 and 428,947.56 is: 643,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,901.56 : 1,765,614.72 = 428,947.56 : x
  2. Step 2: Convert to fraction form
    1,176,901.56/1,765,614.72 = 428,947.56/x
  3. Step 3: Cross multiply
    1,176,901.56x = 1,765,614.72 × 428,947.56
  4. Step 4: Simplify right side
    1,176,901.56x = 757,356,126,044.08
  5. Step 5: Solve for x
    x = 757,356,126,044.08/1,176,901.56
  6. Step 6: Final answer
    x = 643,516.97

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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.