Home / 1,728,010.60-2,592,015.90-972,183.40

Finding the Fourth Proportional to 1,728,010.60, 2,592,015.90 and 972,183.40

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Solution

The fourth proportional to 1,728,010.60, 2,592,015.90 and 972,183.40 is: 1,458,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,010.60 : 2,592,015.90 = 972,183.40 : x
  2. Step 2: Convert to fraction form
    1,728,010.60/2,592,015.90 = 972,183.40/x
  3. Step 3: Cross multiply
    1,728,010.60x = 2,592,015.90 × 972,183.40
  4. Step 4: Simplify right side
    1,728,010.60x = 2,519,914,830,516.06
  5. Step 5: Solve for x
    x = 2,519,914,830,516.06/1,728,010.60
  6. Step 6: Final answer
    x = 1,458,275.10

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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.