Home / 972,007.20-1,458,010.80-615,963.60

Finding the Fourth Proportional to 972,007.20, 1,458,010.80 and 615,963.60

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Solution

The fourth proportional to 972,007.20, 1,458,010.80 and 615,963.60 is: 923,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,007.20 : 1,458,010.80 = 615,963.60 : x
  2. Step 2: Convert to fraction form
    972,007.20/1,458,010.80 = 615,963.60/x
  3. Step 3: Cross multiply
    972,007.20x = 1,458,010.80 × 615,963.60
  4. Step 4: Simplify right side
    972,007.20x = 898,081,581,206.88
  5. Step 5: Solve for x
    x = 898,081,581,206.88/972,007.20
  6. Step 6: Final answer
    x = 923,945.40

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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.