Home / 1,215,355.14-1,677,288.24-671,538.54

Finding the Fourth Proportional to 1,215,355.14, 1,677,288.24 and 671,538.54

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Solution

The fourth proportional to 1,215,355.14, 1,677,288.24 and 671,538.54 is: 926,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,355.14 : 1,677,288.24 = 671,538.54 : x
  2. Step 2: Convert to fraction form
    1,215,355.14/1,677,288.24 = 671,538.54/x
  3. Step 3: Cross multiply
    1,215,355.14x = 1,677,288.24 × 671,538.54
  4. Step 4: Simplify right side
    1,215,355.14x = 1,126,363,695,848.77
  5. Step 5: Solve for x
    x = 1,126,363,695,848.77/1,215,355.14
  6. Step 6: Final answer
    x = 926,777.42

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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.