Home / 1,539,005.20-2,308,507.80-972,134.80

Finding the Fourth Proportional to 1,539,005.20, 2,308,507.80 and 972,134.80

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Solution

The fourth proportional to 1,539,005.20, 2,308,507.80 and 972,134.80 is: 1,458,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,005.20 : 2,308,507.80 = 972,134.80 : x
  2. Step 2: Convert to fraction form
    1,539,005.20/2,308,507.80 = 972,134.80/x
  3. Step 3: Cross multiply
    1,539,005.20x = 2,308,507.80 × 972,134.80
  4. Step 4: Simplify right side
    1,539,005.20x = 2,244,180,768,451.44
  5. Step 5: Solve for x
    x = 2,244,180,768,451.44/1,539,005.20
  6. Step 6: Final answer
    x = 1,458,202.20

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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.