Home / 1,109,859.60-1,664,789.40-578,418.60

Finding the Fourth Proportional to 1,109,859.60, 1,664,789.40 and 578,418.60

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Solution

The fourth proportional to 1,109,859.60, 1,664,789.40 and 578,418.60 is: 867,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,859.60 : 1,664,789.40 = 578,418.60 : x
  2. Step 2: Convert to fraction form
    1,109,859.60/1,664,789.40 = 578,418.60/x
  3. Step 3: Cross multiply
    1,109,859.60x = 1,664,789.40 × 578,418.60
  4. Step 4: Simplify right side
    1,109,859.60x = 962,945,154,042.84
  5. Step 5: Solve for x
    x = 962,945,154,042.84/1,109,859.60
  6. Step 6: Final answer
    x = 867,627.90

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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.