Home / 1,169,433.60-1,613,779.20-660,249.60

Finding the Fourth Proportional to 1,169,433.60, 1,613,779.20 and 660,249.60

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Solution

The fourth proportional to 1,169,433.60, 1,613,779.20 and 660,249.60 is: 911,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,433.60 : 1,613,779.20 = 660,249.60 : x
  2. Step 2: Convert to fraction form
    1,169,433.60/1,613,779.20 = 660,249.60/x
  3. Step 3: Cross multiply
    1,169,433.60x = 1,613,779.20 × 660,249.60
  4. Step 4: Simplify right side
    1,169,433.60x = 1,065,497,071,288.32
  5. Step 5: Solve for x
    x = 1,065,497,071,288.32/1,169,433.60
  6. Step 6: Final answer
    x = 911,122.33

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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.