Home / 1,004,661.20-1,386,423.24-545,769.68

Finding the Fourth Proportional to 1,004,661.20, 1,386,423.24 and 545,769.68

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Solution

The fourth proportional to 1,004,661.20, 1,386,423.24 and 545,769.68 is: 753,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,661.20 : 1,386,423.24 = 545,769.68 : x
  2. Step 2: Convert to fraction form
    1,004,661.20/1,386,423.24 = 545,769.68/x
  3. Step 3: Cross multiply
    1,004,661.20x = 1,386,423.24 × 545,769.68
  4. Step 4: Simplify right side
    1,004,661.20x = 756,667,768,039.36
  5. Step 5: Solve for x
    x = 756,667,768,039.36/1,004,661.20
  6. Step 6: Final answer
    x = 753,157.15

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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.