Home / 1,119,074.10-1,678,611.15-966,858.90

Finding the Fourth Proportional to 1,119,074.10, 1,678,611.15 and 966,858.90

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Solution

The fourth proportional to 1,119,074.10, 1,678,611.15 and 966,858.90 is: 1,450,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,074.10 : 1,678,611.15 = 966,858.90 : x
  2. Step 2: Convert to fraction form
    1,119,074.10/1,678,611.15 = 966,858.90/x
  3. Step 3: Cross multiply
    1,119,074.10x = 1,678,611.15 × 966,858.90
  4. Step 4: Simplify right side
    1,119,074.10x = 1,622,980,130,016.74
  5. Step 5: Solve for x
    x = 1,622,980,130,016.74/1,119,074.10
  6. Step 6: Final answer
    x = 1,450,288.35

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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.