Home / 972,116.20-1,457,540.70-872,583.40

Finding the Fourth Proportional to 972,116.20, 1,457,540.70 and 872,583.40

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Solution

The fourth proportional to 972,116.20, 1,457,540.70 and 872,583.40 is: 1,308,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,116.20 : 1,457,540.70 = 872,583.40 : x
  2. Step 2: Convert to fraction form
    972,116.20/1,457,540.70 = 872,583.40/x
  3. Step 3: Cross multiply
    972,116.20x = 1,457,540.70 × 872,583.40
  4. Step 4: Simplify right side
    972,116.20x = 1,271,825,819,644.38
  5. Step 5: Solve for x
    x = 1,271,825,819,644.38/972,116.20
  6. Step 6: Final answer
    x = 1,308,306.37

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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.