Home / 1,640,708.70-2,459,896.65-629,439.90

Finding the Fourth Proportional to 1,640,708.70, 2,459,896.65 and 629,439.90

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Solution

The fourth proportional to 1,640,708.70, 2,459,896.65 and 629,439.90 is: 943,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,708.70 : 2,459,896.65 = 629,439.90 : x
  2. Step 2: Convert to fraction form
    1,640,708.70/2,459,896.65 = 629,439.90/x
  3. Step 3: Cross multiply
    1,640,708.70x = 2,459,896.65 × 629,439.90
  4. Step 4: Simplify right side
    1,640,708.70x = 1,548,357,101,386.34
  5. Step 5: Solve for x
    x = 1,548,357,101,386.34/1,640,708.70
  6. Step 6: Final answer
    x = 943,712.37

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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.