Home / 1,402,020.32-2,102,832.84-455,402.48

Finding the Fourth Proportional to 1,402,020.32, 2,102,832.84 and 455,402.48

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Solution

The fourth proportional to 1,402,020.32, 2,102,832.84 and 455,402.48 is: 683,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,020.32 : 2,102,832.84 = 455,402.48 : x
  2. Step 2: Convert to fraction form
    1,402,020.32/2,102,832.84 = 455,402.48/x
  3. Step 3: Cross multiply
    1,402,020.32x = 2,102,832.84 × 455,402.48
  4. Step 4: Simplify right side
    1,402,020.32x = 957,635,290,361.44
  5. Step 5: Solve for x
    x = 957,635,290,361.44/1,402,020.32
  6. Step 6: Final answer
    x = 683,039.52

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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.