Home / 1,128,369.45-1,692,975.52-454,641.89

Finding the Fourth Proportional to 1,128,369.45, 1,692,975.52 and 454,641.89

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Solution

The fourth proportional to 1,128,369.45, 1,692,975.52 and 454,641.89 is: 682,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,369.45 : 1,692,975.52 = 454,641.89 : x
  2. Step 2: Convert to fraction form
    1,128,369.45/1,692,975.52 = 454,641.89/x
  3. Step 3: Cross multiply
    1,128,369.45x = 1,692,975.52 × 454,641.89
  4. Step 4: Simplify right side
    1,128,369.45x = 769,697,594,368.97
  5. Step 5: Solve for x
    x = 769,697,594,368.97/1,128,369.45
  6. Step 6: Final answer
    x = 682,132.61

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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.