Home / 972,017.20-1,458,025.80-615,973.60

Finding the Fourth Proportional to 972,017.20, 1,458,025.80 and 615,973.60

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Solution

The fourth proportional to 972,017.20, 1,458,025.80 and 615,973.60 is: 923,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,017.20 : 1,458,025.80 = 615,973.60 : x
  2. Step 2: Convert to fraction form
    972,017.20/1,458,025.80 = 615,973.60/x
  3. Step 3: Cross multiply
    972,017.20x = 1,458,025.80 × 615,973.60
  4. Step 4: Simplify right side
    972,017.20x = 898,105,400,918.88
  5. Step 5: Solve for x
    x = 898,105,400,918.88/972,017.20
  6. Step 6: Final answer
    x = 923,960.40

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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.