Home / 1,108,226.90-1,658,193.15-734,978.90

Finding the Fourth Proportional to 1,108,226.90, 1,658,193.15 and 734,978.90

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Solution

The fourth proportional to 1,108,226.90, 1,658,193.15 and 734,978.90 is: 1,099,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,226.90 : 1,658,193.15 = 734,978.90 : x
  2. Step 2: Convert to fraction form
    1,108,226.90/1,658,193.15 = 734,978.90/x
  3. Step 3: Cross multiply
    1,108,226.90x = 1,658,193.15 × 734,978.90
  4. Step 4: Simplify right side
    1,108,226.90x = 1,218,736,977,374.53
  5. Step 5: Solve for x
    x = 1,218,736,977,374.53/1,108,226.90
  6. Step 6: Final answer
    x = 1,099,717.92

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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.