Home / 1,078,991.36-1,488,785.73-620,017.24

Finding the Fourth Proportional to 1,078,991.36, 1,488,785.73 and 620,017.24

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Solution

The fourth proportional to 1,078,991.36, 1,488,785.73 and 620,017.24 is: 855,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,991.36 : 1,488,785.73 = 620,017.24 : x
  2. Step 2: Convert to fraction form
    1,078,991.36/1,488,785.73 = 620,017.24/x
  3. Step 3: Cross multiply
    1,078,991.36x = 1,488,785.73 × 620,017.24
  4. Step 4: Simplify right side
    1,078,991.36x = 923,072,811,822.06
  5. Step 5: Solve for x
    x = 923,072,811,822.06/1,078,991.36
  6. Step 6: Final answer
    x = 855,496.02

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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.