Home / 1,004,679.40-1,386,458.78-545,794.28

Finding the Fourth Proportional to 1,004,679.40, 1,386,458.78 and 545,794.28

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Solution

The fourth proportional to 1,004,679.40, 1,386,458.78 and 545,794.28 is: 753,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,679.40 : 1,386,458.78 = 545,794.28 : x
  2. Step 2: Convert to fraction form
    1,004,679.40/1,386,458.78 = 545,794.28/x
  3. Step 3: Cross multiply
    1,004,679.40x = 1,386,458.78 × 545,794.28
  4. Step 4: Simplify right side
    1,004,679.40x = 756,721,263,218.32
  5. Step 5: Solve for x
    x = 756,721,263,218.32/1,004,679.40
  6. Step 6: Final answer
    x = 753,196.75

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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.