Home / 1,090,920.36-1,635,619.74-483,378.24

Finding the Fourth Proportional to 1,090,920.36, 1,635,619.74 and 483,378.24

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Solution

The fourth proportional to 1,090,920.36, 1,635,619.74 and 483,378.24 is: 724,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,920.36 : 1,635,619.74 = 483,378.24 : x
  2. Step 2: Convert to fraction form
    1,090,920.36/1,635,619.74 = 483,378.24/x
  3. Step 3: Cross multiply
    1,090,920.36x = 1,635,619.74 × 483,378.24
  4. Step 4: Simplify right side
    1,090,920.36x = 790,622,991,230.46
  5. Step 5: Solve for x
    x = 790,622,991,230.46/1,090,920.36
  6. Step 6: Final answer
    x = 724,730.26

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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.