Home / 1,314,155.98-1,813,192.45-769,999.42

Finding the Fourth Proportional to 1,314,155.98, 1,813,192.45 and 769,999.42

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Solution

The fourth proportional to 1,314,155.98, 1,813,192.45 and 769,999.42 is: 1,062,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,155.98 : 1,813,192.45 = 769,999.42 : x
  2. Step 2: Convert to fraction form
    1,314,155.98/1,813,192.45 = 769,999.42/x
  3. Step 3: Cross multiply
    1,314,155.98x = 1,813,192.45 × 769,999.42
  4. Step 4: Simplify right side
    1,314,155.98x = 1,396,157,134,848.38
  5. Step 5: Solve for x
    x = 1,396,157,134,848.38/1,314,155.98
  6. Step 6: Final answer
    x = 1,062,398.34

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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.