Home / 1,200,046.08-1,655,278.80-769,644.48

Finding the Fourth Proportional to 1,200,046.08, 1,655,278.80 and 769,644.48

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Solution

The fourth proportional to 1,200,046.08, 1,655,278.80 and 769,644.48 is: 1,061,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,046.08 : 1,655,278.80 = 769,644.48 : x
  2. Step 2: Convert to fraction form
    1,200,046.08/1,655,278.80 = 769,644.48/x
  3. Step 3: Cross multiply
    1,200,046.08x = 1,655,278.80 × 769,644.48
  4. Step 4: Simplify right side
    1,200,046.08x = 1,273,976,191,281.02
  5. Step 5: Solve for x
    x = 1,273,976,191,281.02/1,200,046.08
  6. Step 6: Final answer
    x = 1,061,606.06

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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.