Home / 1,443,154.34-2,164,858.95-378,192.26

Finding the Fourth Proportional to 1,443,154.34, 2,164,858.95 and 378,192.26

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Solution

The fourth proportional to 1,443,154.34, 2,164,858.95 and 378,192.26 is: 567,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,154.34 : 2,164,858.95 = 378,192.26 : x
  2. Step 2: Convert to fraction form
    1,443,154.34/2,164,858.95 = 378,192.26/x
  3. Step 3: Cross multiply
    1,443,154.34x = 2,164,858.95 × 378,192.26
  4. Step 4: Simplify right side
    1,443,154.34x = 818,732,898,881.73
  5. Step 5: Solve for x
    x = 818,732,898,881.73/1,443,154.34
  6. Step 6: Final answer
    x = 567,321.79

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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.