Home / 1,276,180.89-1,914,308.46-477,310.02

Finding the Fourth Proportional to 1,276,180.89, 1,914,308.46 and 477,310.02

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Solution

The fourth proportional to 1,276,180.89, 1,914,308.46 and 477,310.02 is: 715,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,180.89 : 1,914,308.46 = 477,310.02 : x
  2. Step 2: Convert to fraction form
    1,276,180.89/1,914,308.46 = 477,310.02/x
  3. Step 3: Cross multiply
    1,276,180.89x = 1,914,308.46 × 477,310.02
  4. Step 4: Simplify right side
    1,276,180.89x = 913,718,609,328.77
  5. Step 5: Solve for x
    x = 913,718,609,328.77/1,276,180.89
  6. Step 6: Final answer
    x = 715,978.92

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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.