Home / 1,264,105.74-1,744,038.63-719,855.61

Finding the Fourth Proportional to 1,264,105.74, 1,744,038.63 and 719,855.61

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Solution

The fourth proportional to 1,264,105.74, 1,744,038.63 and 719,855.61 is: 993,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,105.74 : 1,744,038.63 = 719,855.61 : x
  2. Step 2: Convert to fraction form
    1,264,105.74/1,744,038.63 = 719,855.61/x
  3. Step 3: Cross multiply
    1,264,105.74x = 1,744,038.63 × 719,855.61
  4. Step 4: Simplify right side
    1,264,105.74x = 1,255,455,991,862.21
  5. Step 5: Solve for x
    x = 1,255,455,991,862.21/1,264,105.74
  6. Step 6: Final answer
    x = 993,157.42

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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.