Home / 1,131,842.75-1,562,164.88-648,731.70

Finding the Fourth Proportional to 1,131,842.75, 1,562,164.88 and 648,731.70

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Solution

The fourth proportional to 1,131,842.75, 1,562,164.88 and 648,731.70 is: 895,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,842.75 : 1,562,164.88 = 648,731.70 : x
  2. Step 2: Convert to fraction form
    1,131,842.75/1,562,164.88 = 648,731.70/x
  3. Step 3: Cross multiply
    1,131,842.75x = 1,562,164.88 × 648,731.70
  4. Step 4: Simplify right side
    1,131,842.75x = 1,013,425,875,039.04
  5. Step 5: Solve for x
    x = 1,013,425,875,039.04/1,131,842.75
  6. Step 6: Final answer
    x = 895,376.92

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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.