Home / 972,007.20-1,458,010.80-905,577.08

Finding the Fourth Proportional to 972,007.20, 1,458,010.80 and 905,577.08

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Solution

The fourth proportional to 972,007.20, 1,458,010.80 and 905,577.08 is: 1,358,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,007.20 : 1,458,010.80 = 905,577.08 : x
  2. Step 2: Convert to fraction form
    972,007.20/1,458,010.80 = 905,577.08/x
  3. Step 3: Cross multiply
    972,007.20x = 1,458,010.80 × 905,577.08
  4. Step 4: Simplify right side
    972,007.20x = 1,320,341,162,872.46
  5. Step 5: Solve for x
    x = 1,320,341,162,872.46/972,007.20
  6. Step 6: Final answer
    x = 1,358,365.62

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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.