Home / 1,072,647.80-1,609,562.70-652,218.92

Finding the Fourth Proportional to 1,072,647.80, 1,609,562.70 and 652,218.92

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Solution

The fourth proportional to 1,072,647.80, 1,609,562.70 and 652,218.92 is: 978,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,647.80 : 1,609,562.70 = 652,218.92 : x
  2. Step 2: Convert to fraction form
    1,072,647.80/1,609,562.70 = 652,218.92/x
  3. Step 3: Cross multiply
    1,072,647.80x = 1,609,562.70 × 652,218.92
  4. Step 4: Simplify right side
    1,072,647.80x = 1,049,787,245,866.28
  5. Step 5: Solve for x
    x = 1,049,787,245,866.28/1,072,647.80
  6. Step 6: Final answer
    x = 978,687.74

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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.