Home / 1,126,928.97-1,690,411.98-317,332.86

Finding the Fourth Proportional to 1,126,928.97, 1,690,411.98 and 317,332.86

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Solution

The fourth proportional to 1,126,928.97, 1,690,411.98 and 317,332.86 is: 476,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,928.97 : 1,690,411.98 = 317,332.86 : x
  2. Step 2: Convert to fraction form
    1,126,928.97/1,690,411.98 = 317,332.86/x
  3. Step 3: Cross multiply
    1,126,928.97x = 1,690,411.98 × 317,332.86
  4. Step 4: Simplify right side
    1,126,928.97x = 536,423,263,042.62
  5. Step 5: Solve for x
    x = 536,423,263,042.62/1,126,928.97
  6. Step 6: Final answer
    x = 476,004.50

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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.