Home / 1,132,429.61-1,698,644.41-412,825.28

Finding the Fourth Proportional to 1,132,429.61, 1,698,644.41 and 412,825.28

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Solution

The fourth proportional to 1,132,429.61, 1,698,644.41 and 412,825.28 is: 619,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,429.61 : 1,698,644.41 = 412,825.28 : x
  2. Step 2: Convert to fraction form
    1,132,429.61/1,698,644.41 = 412,825.28/x
  3. Step 3: Cross multiply
    1,132,429.61x = 1,698,644.41 × 412,825.28
  4. Step 4: Simplify right side
    1,132,429.61x = 701,243,348,900.01
  5. Step 5: Solve for x
    x = 701,243,348,900.01/1,132,429.61
  6. Step 6: Final answer
    x = 619,237.91

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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.