Home / 1,115,382.35-1,539,223.86-632,039.63

Finding the Fourth Proportional to 1,115,382.35, 1,539,223.86 and 632,039.63

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Solution

The fourth proportional to 1,115,382.35, 1,539,223.86 and 632,039.63 is: 872,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,382.35 : 1,539,223.86 = 632,039.63 : x
  2. Step 2: Convert to fraction form
    1,115,382.35/1,539,223.86 = 632,039.63/x
  3. Step 3: Cross multiply
    1,115,382.35x = 1,539,223.86 × 632,039.63
  4. Step 4: Simplify right side
    1,115,382.35x = 972,850,471,265.45
  5. Step 5: Solve for x
    x = 972,850,471,265.45/1,115,382.35
  6. Step 6: Final answer
    x = 872,212.54

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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.