Home / 1,224,460.10-1,836,824.10-415,428.66

Finding the Fourth Proportional to 1,224,460.10, 1,836,824.10 and 415,428.66

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Solution

The fourth proportional to 1,224,460.10, 1,836,824.10 and 415,428.66 is: 623,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,460.10 : 1,836,824.10 = 415,428.66 : x
  2. Step 2: Convert to fraction form
    1,224,460.10/1,836,824.10 = 415,428.66/x
  3. Step 3: Cross multiply
    1,224,460.10x = 1,836,824.10 × 415,428.66
  4. Step 4: Simplify right side
    1,224,460.10x = 763,069,374,518.71
  5. Step 5: Solve for x
    x = 763,069,374,518.71/1,224,460.10
  6. Step 6: Final answer
    x = 623,188.44

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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.