Home / 1,004,668.16-1,386,436.42-545,778.76

Finding the Fourth Proportional to 1,004,668.16, 1,386,436.42 and 545,778.76

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Solution

The fourth proportional to 1,004,668.16, 1,386,436.42 and 545,778.76 is: 753,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,668.16 : 1,386,436.42 = 545,778.76 : x
  2. Step 2: Convert to fraction form
    1,004,668.16/1,386,436.42 = 545,778.76/x
  3. Step 3: Cross multiply
    1,004,668.16x = 1,386,436.42 × 545,778.76
  4. Step 4: Simplify right side
    1,004,668.16x = 756,687,550,126.44
  5. Step 5: Solve for x
    x = 756,687,550,126.44/1,004,668.16
  6. Step 6: Final answer
    x = 753,171.62

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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.