Home / 1,231,779.08-1,699,903.68-708,488.83

Finding the Fourth Proportional to 1,231,779.08, 1,699,903.68 and 708,488.83

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Solution

The fourth proportional to 1,231,779.08, 1,699,903.68 and 708,488.83 is: 977,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,779.08 : 1,699,903.68 = 708,488.83 : x
  2. Step 2: Convert to fraction form
    1,231,779.08/1,699,903.68 = 708,488.83/x
  3. Step 3: Cross multiply
    1,231,779.08x = 1,699,903.68 × 708,488.83
  4. Step 4: Simplify right side
    1,231,779.08x = 1,204,362,769,355.89
  5. Step 5: Solve for x
    x = 1,204,362,769,355.89/1,231,779.08
  6. Step 6: Final answer
    x = 977,742.51

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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.