Home / 1,129,005.55-1,693,030.86-454,905.86

Finding the Fourth Proportional to 1,129,005.55, 1,693,030.86 and 454,905.86

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Solution

The fourth proportional to 1,129,005.55, 1,693,030.86 and 454,905.86 is: 682,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,005.55 : 1,693,030.86 = 454,905.86 : x
  2. Step 2: Convert to fraction form
    1,129,005.55/1,693,030.86 = 454,905.86/x
  3. Step 3: Cross multiply
    1,129,005.55x = 1,693,030.86 × 454,905.86
  4. Step 4: Simplify right side
    1,129,005.55x = 770,169,659,374.84
  5. Step 5: Solve for x
    x = 770,169,659,374.84/1,129,005.55
  6. Step 6: Final answer
    x = 682,166.41

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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.