Home / 792,139.80-1,188,209.70-705,048.60

Finding the Fourth Proportional to 792,139.80, 1,188,209.70 and 705,048.60

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Solution

The fourth proportional to 792,139.80, 1,188,209.70 and 705,048.60 is: 1,057,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,139.80 : 1,188,209.70 = 705,048.60 : x
  2. Step 2: Convert to fraction form
    792,139.80/1,188,209.70 = 705,048.60/x
  3. Step 3: Cross multiply
    792,139.80x = 1,188,209.70 × 705,048.60
  4. Step 4: Simplify right side
    792,139.80x = 837,745,585,491.42
  5. Step 5: Solve for x
    x = 837,745,585,491.42/792,139.80
  6. Step 6: Final answer
    x = 1,057,572.90

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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.