Home / 1,237,228.10-1,707,349.04-678,414.66

Finding the Fourth Proportional to 1,237,228.10, 1,707,349.04 and 678,414.66

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Solution

The fourth proportional to 1,237,228.10, 1,707,349.04 and 678,414.66 is: 936,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,228.10 : 1,707,349.04 = 678,414.66 : x
  2. Step 2: Convert to fraction form
    1,237,228.10/1,707,349.04 = 678,414.66/x
  3. Step 3: Cross multiply
    1,237,228.10x = 1,707,349.04 × 678,414.66
  4. Step 4: Simplify right side
    1,237,228.10x = 1,158,290,620,702.96
  5. Step 5: Solve for x
    x = 1,158,290,620,702.96/1,237,228.10
  6. Step 6: Final answer
    x = 936,198.12

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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.