Home / 1,126,617.20-1,554,751.44-617,289.20

Finding the Fourth Proportional to 1,126,617.20, 1,554,751.44 and 617,289.20

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Solution

The fourth proportional to 1,126,617.20, 1,554,751.44 and 617,289.20 is: 851,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,617.20 : 1,554,751.44 = 617,289.20 : x
  2. Step 2: Convert to fraction form
    1,126,617.20/1,554,751.44 = 617,289.20/x
  3. Step 3: Cross multiply
    1,126,617.20x = 1,554,751.44 × 617,289.20
  4. Step 4: Simplify right side
    1,126,617.20x = 959,731,272,596.45
  5. Step 5: Solve for x
    x = 959,731,272,596.45/1,126,617.20
  6. Step 6: Final answer
    x = 851,869.89

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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.