Home / 972,133.60-1,458,200.40-615,992.80

Finding the Fourth Proportional to 972,133.60, 1,458,200.40 and 615,992.80

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Solution

The fourth proportional to 972,133.60, 1,458,200.40 and 615,992.80 is: 923,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,133.60 : 1,458,200.40 = 615,992.80 : x
  2. Step 2: Convert to fraction form
    972,133.60/1,458,200.40 = 615,992.80/x
  3. Step 3: Cross multiply
    972,133.60x = 1,458,200.40 × 615,992.80
  4. Step 4: Simplify right side
    972,133.60x = 898,240,947,357.12
  5. Step 5: Solve for x
    x = 898,240,947,357.12/972,133.60
  6. Step 6: Final answer
    x = 923,989.20

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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.