Home / 1,728,394.60-2,590,388.70-970,234.60

Finding the Fourth Proportional to 1,728,394.60, 2,590,388.70 and 970,234.60

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Solution

The fourth proportional to 1,728,394.60, 2,590,388.70 and 970,234.60 is: 1,454,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,394.60 : 2,590,388.70 = 970,234.60 : x
  2. Step 2: Convert to fraction form
    1,728,394.60/2,590,388.70 = 970,234.60/x
  3. Step 3: Cross multiply
    1,728,394.60x = 2,590,388.70 × 970,234.60
  4. Step 4: Simplify right side
    1,728,394.60x = 2,513,284,744,189.02
  5. Step 5: Solve for x
    x = 2,513,284,744,189.02/1,728,394.60
  6. Step 6: Final answer
    x = 1,454,115.13

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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.