Home / 1,176,901.13-1,765,614.13-428,947.13

Finding the Fourth Proportional to 1,176,901.13, 1,765,614.13 and 428,947.13

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Solution

The fourth proportional to 1,176,901.13, 1,765,614.13 and 428,947.13 is: 643,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,901.13 : 1,765,614.13 = 428,947.13 : x
  2. Step 2: Convert to fraction form
    1,176,901.13/1,765,614.13 = 428,947.13/x
  3. Step 3: Cross multiply
    1,176,901.13x = 1,765,614.13 × 428,947.13
  4. Step 4: Simplify right side
    1,176,901.13x = 757,355,103,850.51
  5. Step 5: Solve for x
    x = 757,355,103,850.51/1,176,901.13
  6. Step 6: Final answer
    x = 643,516.34

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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.