Home / 1,129,164.48-1,692,458.10-454,813.92

Finding the Fourth Proportional to 1,129,164.48, 1,692,458.10 and 454,813.92

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Solution

The fourth proportional to 1,129,164.48, 1,692,458.10 and 454,813.92 is: 681,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,164.48 : 1,692,458.10 = 454,813.92 : x
  2. Step 2: Convert to fraction form
    1,129,164.48/1,692,458.10 = 454,813.92/x
  3. Step 3: Cross multiply
    1,129,164.48x = 1,692,458.10 × 454,813.92
  4. Step 4: Simplify right side
    1,129,164.48x = 769,753,502,896.75
  5. Step 5: Solve for x
    x = 769,753,502,896.75/1,129,164.48
  6. Step 6: Final answer
    x = 681,701.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.