Home / 1,315,403.20-1,972,521.60-605,065.60

Finding the Fourth Proportional to 1,315,403.20, 1,972,521.60 and 605,065.60

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Solution

The fourth proportional to 1,315,403.20, 1,972,521.60 and 605,065.60 is: 907,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,403.20 : 1,972,521.60 = 605,065.60 : x
  2. Step 2: Convert to fraction form
    1,315,403.20/1,972,521.60 = 605,065.60/x
  3. Step 3: Cross multiply
    1,315,403.20x = 1,972,521.60 × 605,065.60
  4. Step 4: Simplify right side
    1,315,403.20x = 1,193,504,965,416.96
  5. Step 5: Solve for x
    x = 1,193,504,965,416.96/1,315,403.20
  6. Step 6: Final answer
    x = 907,330.14

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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.