Home / 1,224,460.23-1,836,824.30-415,428.78

Finding the Fourth Proportional to 1,224,460.23, 1,836,824.30 and 415,428.78

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Solution

The fourth proportional to 1,224,460.23, 1,836,824.30 and 415,428.78 is: 623,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,460.23 : 1,836,824.30 = 415,428.78 : x
  2. Step 2: Convert to fraction form
    1,224,460.23/1,836,824.30 = 415,428.78/x
  3. Step 3: Cross multiply
    1,224,460.23x = 1,836,824.30 × 415,428.78
  4. Step 4: Simplify right side
    1,224,460.23x = 763,069,675,946.21
  5. Step 5: Solve for x
    x = 763,069,675,946.21/1,224,460.23
  6. Step 6: Final answer
    x = 623,188.62

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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.