Home / 1,311,780.62-1,810,261.02-760,603.16

Finding the Fourth Proportional to 1,311,780.62, 1,810,261.02 and 760,603.16

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Solution

The fourth proportional to 1,311,780.62, 1,810,261.02 and 760,603.16 is: 1,049,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,780.62 : 1,810,261.02 = 760,603.16 : x
  2. Step 2: Convert to fraction form
    1,311,780.62/1,810,261.02 = 760,603.16/x
  3. Step 3: Cross multiply
    1,311,780.62x = 1,810,261.02 × 760,603.16
  4. Step 4: Simplify right side
    1,311,780.62x = 1,376,890,252,236.82
  5. Step 5: Solve for x
    x = 1,376,890,252,236.82/1,311,780.62
  6. Step 6: Final answer
    x = 1,049,634.54

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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.