Home / 1,482,890.40-2,224,335.60-685,728.90

Finding the Fourth Proportional to 1,482,890.40, 2,224,335.60 and 685,728.90

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Solution

The fourth proportional to 1,482,890.40, 2,224,335.60 and 685,728.90 is: 1,028,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,890.40 : 2,224,335.60 = 685,728.90 : x
  2. Step 2: Convert to fraction form
    1,482,890.40/2,224,335.60 = 685,728.90/x
  3. Step 3: Cross multiply
    1,482,890.40x = 2,224,335.60 × 685,728.90
  4. Step 4: Simplify right side
    1,482,890.40x = 1,525,291,204,218.84
  5. Step 5: Solve for x
    x = 1,525,291,204,218.84/1,482,890.40
  6. Step 6: Final answer
    x = 1,028,593.35

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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.