Home / 1,055,999.20-1,584,387.60-425,365.60

Finding the Fourth Proportional to 1,055,999.20, 1,584,387.60 and 425,365.60

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Solution

The fourth proportional to 1,055,999.20, 1,584,387.60 and 425,365.60 is: 638,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,999.20 : 1,584,387.60 = 425,365.60 : x
  2. Step 2: Convert to fraction form
    1,055,999.20/1,584,387.60 = 425,365.60/x
  3. Step 3: Cross multiply
    1,055,999.20x = 1,584,387.60 × 425,365.60
  4. Step 4: Simplify right side
    1,055,999.20x = 673,943,982,106.56
  5. Step 5: Solve for x
    x = 673,943,982,106.56/1,055,999.20
  6. Step 6: Final answer
    x = 638,205.01

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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.