Home / 1,021,132.48-1,531,706.32-381,580.78

Finding the Fourth Proportional to 1,021,132.48, 1,531,706.32 and 381,580.78

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Solution

The fourth proportional to 1,021,132.48, 1,531,706.32 and 381,580.78 is: 572,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,132.48 : 1,531,706.32 = 381,580.78 : x
  2. Step 2: Convert to fraction form
    1,021,132.48/1,531,706.32 = 381,580.78/x
  3. Step 3: Cross multiply
    1,021,132.48x = 1,531,706.32 × 381,580.78
  4. Step 4: Simplify right side
    1,021,132.48x = 584,469,692,316.53
  5. Step 5: Solve for x
    x = 584,469,692,316.53/1,021,132.48
  6. Step 6: Final answer
    x = 572,374.01

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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.