Home / 1,429,045.96-1,971,679.44-920,043.04

Finding the Fourth Proportional to 1,429,045.96, 1,971,679.44 and 920,043.04

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Solution

The fourth proportional to 1,429,045.96, 1,971,679.44 and 920,043.04 is: 1,269,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,045.96 : 1,971,679.44 = 920,043.04 : x
  2. Step 2: Convert to fraction form
    1,429,045.96/1,971,679.44 = 920,043.04/x
  3. Step 3: Cross multiply
    1,429,045.96x = 1,971,679.44 × 920,043.04
  4. Step 4: Simplify right side
    1,429,045.96x = 1,814,029,945,883.10
  5. Step 5: Solve for x
    x = 1,814,029,945,883.10/1,429,045.96
  6. Step 6: Final answer
    x = 1,269,399.30

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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.