Home / 1,409,992.32-2,115,070.52-399,029.70

Finding the Fourth Proportional to 1,409,992.32, 2,115,070.52 and 399,029.70

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Solution

The fourth proportional to 1,409,992.32, 2,115,070.52 and 399,029.70 is: 598,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,992.32 : 2,115,070.52 = 399,029.70 : x
  2. Step 2: Convert to fraction form
    1,409,992.32/2,115,070.52 = 399,029.70/x
  3. Step 3: Cross multiply
    1,409,992.32x = 2,115,070.52 × 399,029.70
  4. Step 4: Simplify right side
    1,409,992.32x = 843,975,955,074.44
  5. Step 5: Solve for x
    x = 843,975,955,074.44/1,409,992.32
  6. Step 6: Final answer
    x = 598,567.77

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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.