Home / 1,545,902.60-2,318,738.70-647,112.20

Finding the Fourth Proportional to 1,545,902.60, 2,318,738.70 and 647,112.20

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Solution

The fourth proportional to 1,545,902.60, 2,318,738.70 and 647,112.20 is: 970,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,902.60 : 2,318,738.70 = 647,112.20 : x
  2. Step 2: Convert to fraction form
    1,545,902.60/2,318,738.70 = 647,112.20/x
  3. Step 3: Cross multiply
    1,545,902.60x = 2,318,738.70 × 647,112.20
  4. Step 4: Simplify right side
    1,545,902.60x = 1,500,484,101,382.14
  5. Step 5: Solve for x
    x = 1,500,484,101,382.14/1,545,902.60
  6. Step 6: Final answer
    x = 970,620.08

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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.