Home / 1,108,195.40-1,658,145.90-734,947.40

Finding the Fourth Proportional to 1,108,195.40, 1,658,145.90 and 734,947.40

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Solution

The fourth proportional to 1,108,195.40, 1,658,145.90 and 734,947.40 is: 1,099,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,195.40 : 1,658,145.90 = 734,947.40 : x
  2. Step 2: Convert to fraction form
    1,108,195.40/1,658,145.90 = 734,947.40/x
  3. Step 3: Cross multiply
    1,108,195.40x = 1,658,145.90 × 734,947.40
  4. Step 4: Simplify right side
    1,108,195.40x = 1,218,650,018,025.66
  5. Step 5: Solve for x
    x = 1,218,650,018,025.66/1,108,195.40
  6. Step 6: Final answer
    x = 1,099,670.71

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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.