Home / 1,493,902.17-2,240,848.80-640,420.56

Finding the Fourth Proportional to 1,493,902.17, 2,240,848.80 and 640,420.56

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Solution

The fourth proportional to 1,493,902.17, 2,240,848.80 and 640,420.56 is: 960,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,902.17 : 2,240,848.80 = 640,420.56 : x
  2. Step 2: Convert to fraction form
    1,493,902.17/2,240,848.80 = 640,420.56/x
  3. Step 3: Cross multiply
    1,493,902.17x = 2,240,848.80 × 640,420.56
  4. Step 4: Simplify right side
    1,493,902.17x = 1,435,085,643,371.33
  5. Step 5: Solve for x
    x = 1,435,085,643,371.33/1,493,902.17
  6. Step 6: Final answer
    x = 960,628.93

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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.