Home / 890,157.54-1,328,761.10-824,372.58

Finding the Fourth Proportional to 890,157.54, 1,328,761.10 and 824,372.58

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Solution

The fourth proportional to 890,157.54, 1,328,761.10 and 824,372.58 is: 1,230,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,157.54 : 1,328,761.10 = 824,372.58 : x
  2. Step 2: Convert to fraction form
    890,157.54/1,328,761.10 = 824,372.58/x
  3. Step 3: Cross multiply
    890,157.54x = 1,328,761.10 × 824,372.58
  4. Step 4: Simplify right side
    890,157.54x = 1,095,394,212,088.78
  5. Step 5: Solve for x
    x = 1,095,394,212,088.78/890,157.54
  6. Step 6: Final answer
    x = 1,230,562.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.