Home / 1,162,858.72-1,604,616.54-697,687.90

Finding the Fourth Proportional to 1,162,858.72, 1,604,616.54 and 697,687.90

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Solution

The fourth proportional to 1,162,858.72, 1,604,616.54 and 697,687.90 is: 962,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,858.72 : 1,604,616.54 = 697,687.90 : x
  2. Step 2: Convert to fraction form
    1,162,858.72/1,604,616.54 = 697,687.90/x
  3. Step 3: Cross multiply
    1,162,858.72x = 1,604,616.54 × 697,687.90
  4. Step 4: Simplify right side
    1,162,858.72x = 1,119,521,544,097.87
  5. Step 5: Solve for x
    x = 1,119,521,544,097.87/1,162,858.72
  6. Step 6: Final answer
    x = 962,732.21

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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.