Home / 1,127,029.08-1,690,820.44-328,317.64

Finding the Fourth Proportional to 1,127,029.08, 1,690,820.44 and 328,317.64

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Solution

The fourth proportional to 1,127,029.08, 1,690,820.44 and 328,317.64 is: 492,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,029.08 : 1,690,820.44 = 328,317.64 : x
  2. Step 2: Convert to fraction form
    1,127,029.08/1,690,820.44 = 328,317.64/x
  3. Step 3: Cross multiply
    1,127,029.08x = 1,690,820.44 × 328,317.64
  4. Step 4: Simplify right side
    1,127,029.08x = 555,126,176,524.56
  5. Step 5: Solve for x
    x = 555,126,176,524.56/1,127,029.08
  6. Step 6: Final answer
    x = 492,557.10

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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.