Home / 1,282,671.69-1,770,063.60-709,711.86

Finding the Fourth Proportional to 1,282,671.69, 1,770,063.60 and 709,711.86

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Solution

The fourth proportional to 1,282,671.69, 1,770,063.60 and 709,711.86 is: 979,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,671.69 : 1,770,063.60 = 709,711.86 : x
  2. Step 2: Convert to fraction form
    1,282,671.69/1,770,063.60 = 709,711.86/x
  3. Step 3: Cross multiply
    1,282,671.69x = 1,770,063.60 × 709,711.86
  4. Step 4: Simplify right side
    1,282,671.69x = 1,256,235,129,874.30
  5. Step 5: Solve for x
    x = 1,256,235,129,874.30/1,282,671.69
  6. Step 6: Final answer
    x = 979,389.46

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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.