Home / 1,563,020.82-2,157,059.70-874,686.87

Finding the Fourth Proportional to 1,563,020.82, 2,157,059.70 and 874,686.87

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Solution

The fourth proportional to 1,563,020.82, 2,157,059.70 and 874,686.87 is: 1,207,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,020.82 : 2,157,059.70 = 874,686.87 : x
  2. Step 2: Convert to fraction form
    1,563,020.82/2,157,059.70 = 874,686.87/x
  3. Step 3: Cross multiply
    1,563,020.82x = 2,157,059.70 × 874,686.87
  4. Step 4: Simplify right side
    1,563,020.82x = 1,886,751,797,396.14
  5. Step 5: Solve for x
    x = 1,886,751,797,396.14/1,563,020.82
  6. Step 6: Final answer
    x = 1,207,118.79

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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.