Home / 972,618.40-1,458,052.80-617,449.60

Finding the Fourth Proportional to 972,618.40, 1,458,052.80 and 617,449.60

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Solution

The fourth proportional to 972,618.40, 1,458,052.80 and 617,449.60 is: 925,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,618.40 : 1,458,052.80 = 617,449.60 : x
  2. Step 2: Convert to fraction form
    972,618.40/1,458,052.80 = 617,449.60/x
  3. Step 3: Cross multiply
    972,618.40x = 1,458,052.80 × 617,449.60
  4. Step 4: Simplify right side
    972,618.40x = 900,274,118,138.88
  5. Step 5: Solve for x
    x = 900,274,118,138.88/972,618.40
  6. Step 6: Final answer
    x = 925,619.05

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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.