Home / 972,615.40-1,458,048.30-617,446.60

Finding the Fourth Proportional to 972,615.40, 1,458,048.30 and 617,446.60

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Solution

The fourth proportional to 972,615.40, 1,458,048.30 and 617,446.60 is: 925,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,615.40 : 1,458,048.30 = 617,446.60 : x
  2. Step 2: Convert to fraction form
    972,615.40/1,458,048.30 = 617,446.60/x
  3. Step 3: Cross multiply
    972,615.40x = 1,458,048.30 × 617,446.60
  4. Step 4: Simplify right side
    972,615.40x = 900,266,965,470.78
  5. Step 5: Solve for x
    x = 900,266,965,470.78/972,615.40
  6. Step 6: Final answer
    x = 925,614.55

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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.