Home / 1,288,174.96-1,777,737.02-715,215.24

Finding the Fourth Proportional to 1,288,174.96, 1,777,737.02 and 715,215.24

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Solution

The fourth proportional to 1,288,174.96, 1,777,737.02 and 715,215.24 is: 987,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,174.96 : 1,777,737.02 = 715,215.24 : x
  2. Step 2: Convert to fraction form
    1,288,174.96/1,777,737.02 = 715,215.24/x
  3. Step 3: Cross multiply
    1,288,174.96x = 1,777,737.02 × 715,215.24
  4. Step 4: Simplify right side
    1,288,174.96x = 1,271,464,609,416.18
  5. Step 5: Solve for x
    x = 1,271,464,609,416.18/1,288,174.96
  6. Step 6: Final answer
    x = 987,027.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.