Home / 1,678,362.88-2,517,282.90-920,577.16

Finding the Fourth Proportional to 1,678,362.88, 2,517,282.90 and 920,577.16

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Solution

The fourth proportional to 1,678,362.88, 2,517,282.90 and 920,577.16 is: 1,380,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,362.88 : 2,517,282.90 = 920,577.16 : x
  2. Step 2: Convert to fraction form
    1,678,362.88/2,517,282.90 = 920,577.16/x
  3. Step 3: Cross multiply
    1,678,362.88x = 2,517,282.90 × 920,577.16
  4. Step 4: Simplify right side
    1,678,362.88x = 2,317,353,142,998.56
  5. Step 5: Solve for x
    x = 2,317,353,142,998.56/1,678,362.88
  6. Step 6: Final answer
    x = 1,380,722.35

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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.