Home / 1,276,350.72-1,914,858.16-477,695.04

Finding the Fourth Proportional to 1,276,350.72, 1,914,858.16 and 477,695.04

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Solution

The fourth proportional to 1,276,350.72, 1,914,858.16 and 477,695.04 is: 716,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,350.72 : 1,914,858.16 = 477,695.04 : x
  2. Step 2: Convert to fraction form
    1,276,350.72/1,914,858.16 = 477,695.04/x
  3. Step 3: Cross multiply
    1,276,350.72x = 1,914,858.16 × 477,695.04
  4. Step 4: Simplify right side
    1,276,350.72x = 914,718,245,335.53
  5. Step 5: Solve for x
    x = 914,718,245,335.53/1,276,350.72
  6. Step 6: Final answer
    x = 716,666.85

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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.