Home / 1,494,209.70-2,239,258.73-640,259.10

Finding the Fourth Proportional to 1,494,209.70, 2,239,258.73 and 640,259.10

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Solution

The fourth proportional to 1,494,209.70, 2,239,258.73 and 640,259.10 is: 959,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,209.70 : 2,239,258.73 = 640,259.10 : x
  2. Step 2: Convert to fraction form
    1,494,209.70/2,239,258.73 = 640,259.10/x
  3. Step 3: Cross multiply
    1,494,209.70x = 2,239,258.73 × 640,259.10
  4. Step 4: Simplify right side
    1,494,209.70x = 1,433,705,775,935.65
  5. Step 5: Solve for x
    x = 1,433,705,775,935.65/1,494,209.70
  6. Step 6: Final answer
    x = 959,507.74

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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.