Home / 1,080,437.86-1,489,226.07-766,214.56

Finding the Fourth Proportional to 1,080,437.86, 1,489,226.07 and 766,214.56

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Solution

The fourth proportional to 1,080,437.86, 1,489,226.07 and 766,214.56 is: 1,056,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,437.86 : 1,489,226.07 = 766,214.56 : x
  2. Step 2: Convert to fraction form
    1,080,437.86/1,489,226.07 = 766,214.56/x
  3. Step 3: Cross multiply
    1,080,437.86x = 1,489,226.07 × 766,214.56
  4. Step 4: Simplify right side
    1,080,437.86x = 1,141,066,697,965.58
  5. Step 5: Solve for x
    x = 1,141,066,697,965.58/1,080,437.86
  6. Step 6: Final answer
    x = 1,056,115.06

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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.