Home / 1,125,944.10-1,686,619.80-698,166.90

Finding the Fourth Proportional to 1,125,944.10, 1,686,619.80 and 698,166.90

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Solution

The fourth proportional to 1,125,944.10, 1,686,619.80 and 698,166.90 is: 1,045,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,944.10 : 1,686,619.80 = 698,166.90 : x
  2. Step 2: Convert to fraction form
    1,125,944.10/1,686,619.80 = 698,166.90/x
  3. Step 3: Cross multiply
    1,125,944.10x = 1,686,619.80 × 698,166.90
  4. Step 4: Simplify right side
    1,125,944.10x = 1,177,542,117,244.62
  5. Step 5: Solve for x
    x = 1,177,542,117,244.62/1,125,944.10
  6. Step 6: Final answer
    x = 1,045,826.45

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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.