Home / 1,091,218.61-1,505,360.14-847,835.57

Finding the Fourth Proportional to 1,091,218.61, 1,505,360.14 and 847,835.57

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Solution

The fourth proportional to 1,091,218.61, 1,505,360.14 and 847,835.57 is: 1,169,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,218.61 : 1,505,360.14 = 847,835.57 : x
  2. Step 2: Convert to fraction form
    1,091,218.61/1,505,360.14 = 847,835.57/x
  3. Step 3: Cross multiply
    1,091,218.61x = 1,505,360.14 × 847,835.57
  4. Step 4: Simplify right side
    1,091,218.61x = 1,276,297,873,995.99
  5. Step 5: Solve for x
    x = 1,276,297,873,995.99/1,091,218.61
  6. Step 6: Final answer
    x = 1,169,607.87

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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.