Home / 1,728,562.60-2,590,640.70-970,402.60

Finding the Fourth Proportional to 1,728,562.60, 2,590,640.70 and 970,402.60

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Solution

The fourth proportional to 1,728,562.60, 2,590,640.70 and 970,402.60 is: 1,454,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,562.60 : 2,590,640.70 = 970,402.60 : x
  2. Step 2: Convert to fraction form
    1,728,562.60/2,590,640.70 = 970,402.60/x
  3. Step 3: Cross multiply
    1,728,562.60x = 2,590,640.70 × 970,402.60
  4. Step 4: Simplify right side
    1,728,562.60x = 2,513,964,470,945.82
  5. Step 5: Solve for x
    x = 2,513,964,470,945.82/1,728,562.60
  6. Step 6: Final answer
    x = 1,454,367.04

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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.