Home / 1,054,320.72-1,581,243.88-485,155.84

Finding the Fourth Proportional to 1,054,320.72, 1,581,243.88 and 485,155.84

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Solution

The fourth proportional to 1,054,320.72, 1,581,243.88 and 485,155.84 is: 727,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,320.72 : 1,581,243.88 = 485,155.84 : x
  2. Step 2: Convert to fraction form
    1,054,320.72/1,581,243.88 = 485,155.84/x
  3. Step 3: Cross multiply
    1,054,320.72x = 1,581,243.88 × 485,155.84
  4. Step 4: Simplify right side
    1,054,320.72x = 767,149,702,846.26
  5. Step 5: Solve for x
    x = 767,149,702,846.26/1,054,320.72
  6. Step 6: Final answer
    x = 727,624.61

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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.