Home / 1,400,110.25-2,100,165.38-402,838.25

Finding the Fourth Proportional to 1,400,110.25, 2,100,165.38 and 402,838.25

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Solution

The fourth proportional to 1,400,110.25, 2,100,165.38 and 402,838.25 is: 604,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,110.25 : 2,100,165.38 = 402,838.25 : x
  2. Step 2: Convert to fraction form
    1,400,110.25/2,100,165.38 = 402,838.25/x
  3. Step 3: Cross multiply
    1,400,110.25x = 2,100,165.38 × 402,838.25
  4. Step 4: Simplify right side
    1,400,110.25x = 846,026,944,375.59
  5. Step 5: Solve for x
    x = 846,026,944,375.59/1,400,110.25
  6. Step 6: Final answer
    x = 604,257.38

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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.