Home / 1,132,870.86-1,699,305.48-776,805.39

Finding the Fourth Proportional to 1,132,870.86, 1,699,305.48 and 776,805.39

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Solution

The fourth proportional to 1,132,870.86, 1,699,305.48 and 776,805.39 is: 1,165,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,870.86 : 1,699,305.48 = 776,805.39 : x
  2. Step 2: Convert to fraction form
    1,132,870.86/1,699,305.48 = 776,805.39/x
  3. Step 3: Cross multiply
    1,132,870.86x = 1,699,305.48 × 776,805.39
  4. Step 4: Simplify right side
    1,132,870.86x = 1,320,029,656,120.54
  5. Step 5: Solve for x
    x = 1,320,029,656,120.54/1,132,870.86
  6. Step 6: Final answer
    x = 1,165,207.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.