Home / 1,429,083.92-1,971,731.88-920,081.04

Finding the Fourth Proportional to 1,429,083.92, 1,971,731.88 and 920,081.04

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Solution

The fourth proportional to 1,429,083.92, 1,971,731.88 and 920,081.04 is: 1,269,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,083.92 : 1,971,731.88 = 920,081.04 : x
  2. Step 2: Convert to fraction form
    1,429,083.92/1,971,731.88 = 920,081.04/x
  3. Step 3: Cross multiply
    1,429,083.92x = 1,971,731.88 × 920,081.04
  4. Step 4: Simplify right side
    1,429,083.92x = 1,814,153,118,751.56
  5. Step 5: Solve for x
    x = 1,814,153,118,751.56/1,429,083.92
  6. Step 6: Final answer
    x = 1,269,451.77

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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.