Home / 1,551,915.39-2,327,971.49-486,999.48

Finding the Fourth Proportional to 1,551,915.39, 2,327,971.49 and 486,999.48

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Solution

The fourth proportional to 1,551,915.39, 2,327,971.49 and 486,999.48 is: 730,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,915.39 : 2,327,971.49 = 486,999.48 : x
  2. Step 2: Convert to fraction form
    1,551,915.39/2,327,971.49 = 486,999.48/x
  3. Step 3: Cross multiply
    1,551,915.39x = 2,327,971.49 × 486,999.48
  4. Step 4: Simplify right side
    1,551,915.39x = 1,133,720,902,649.83
  5. Step 5: Solve for x
    x = 1,133,720,902,649.83/1,551,915.39
  6. Step 6: Final answer
    x = 730,530.10

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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.