Home / 972,004.20-1,458,006.30-654,743.40

Finding the Fourth Proportional to 972,004.20, 1,458,006.30 and 654,743.40

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Solution

The fourth proportional to 972,004.20, 1,458,006.30 and 654,743.40 is: 982,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,004.20 : 1,458,006.30 = 654,743.40 : x
  2. Step 2: Convert to fraction form
    972,004.20/1,458,006.30 = 654,743.40/x
  3. Step 3: Cross multiply
    972,004.20x = 1,458,006.30 × 654,743.40
  4. Step 4: Simplify right side
    972,004.20x = 954,620,002,083.42
  5. Step 5: Solve for x
    x = 954,620,002,083.42/972,004.20
  6. Step 6: Final answer
    x = 982,115.10

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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.