Home / 1,015,120.52-1,400,232.12-653,015.96

Finding the Fourth Proportional to 1,015,120.52, 1,400,232.12 and 653,015.96

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Solution

The fourth proportional to 1,015,120.52, 1,400,232.12 and 653,015.96 is: 900,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,120.52 : 1,400,232.12 = 653,015.96 : x
  2. Step 2: Convert to fraction form
    1,015,120.52/1,400,232.12 = 653,015.96/x
  3. Step 3: Cross multiply
    1,015,120.52x = 1,400,232.12 × 653,015.96
  4. Step 4: Simplify right side
    1,015,120.52x = 914,373,922,064.64
  5. Step 5: Solve for x
    x = 914,373,922,064.64/1,015,120.52
  6. Step 6: Final answer
    x = 900,754.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.