Home / 1,663,779.12-2,296,015.20-899,832.48

Finding the Fourth Proportional to 1,663,779.12, 2,296,015.20 and 899,832.48

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Solution

The fourth proportional to 1,663,779.12, 2,296,015.20 and 899,832.48 is: 1,241,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,779.12 : 2,296,015.20 = 899,832.48 : x
  2. Step 2: Convert to fraction form
    1,663,779.12/2,296,015.20 = 899,832.48/x
  3. Step 3: Cross multiply
    1,663,779.12x = 2,296,015.20 × 899,832.48
  4. Step 4: Simplify right side
    1,663,779.12x = 2,066,029,051,533.70
  5. Step 5: Solve for x
    x = 2,066,029,051,533.70/1,663,779.12
  6. Step 6: Final answer
    x = 1,241,768.83

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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.