Home / 1,358,132.35-1,874,112.95-785,209.43

Finding the Fourth Proportional to 1,358,132.35, 1,874,112.95 and 785,209.43

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Solution

The fourth proportional to 1,358,132.35, 1,874,112.95 and 785,209.43 is: 1,083,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,132.35 : 1,874,112.95 = 785,209.43 : x
  2. Step 2: Convert to fraction form
    1,358,132.35/1,874,112.95 = 785,209.43/x
  3. Step 3: Cross multiply
    1,358,132.35x = 1,874,112.95 × 785,209.43
  4. Step 4: Simplify right side
    1,358,132.35x = 1,471,571,147,928.51
  5. Step 5: Solve for x
    x = 1,471,571,147,928.51/1,358,132.35
  6. Step 6: Final answer
    x = 1,083,525.58

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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.