Home / 1,115,381.97-1,539,223.35-632,039.25

Finding the Fourth Proportional to 1,115,381.97, 1,539,223.35 and 632,039.25

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Solution

The fourth proportional to 1,115,381.97, 1,539,223.35 and 632,039.25 is: 872,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,381.97 : 1,539,223.35 = 632,039.25 : x
  2. Step 2: Convert to fraction form
    1,115,381.97/1,539,223.35 = 632,039.25/x
  3. Step 3: Cross multiply
    1,115,381.97x = 1,539,223.35 × 632,039.25
  4. Step 4: Simplify right side
    1,115,381.97x = 972,849,571,716.49
  5. Step 5: Solve for x
    x = 972,849,571,716.49/1,115,381.97
  6. Step 6: Final answer
    x = 872,212.03

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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.