Home / 918,128.12-1,374,593.69-701,738.84

Finding the Fourth Proportional to 918,128.12, 1,374,593.69 and 701,738.84

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Solution

The fourth proportional to 918,128.12, 1,374,593.69 and 701,738.84 is: 1,050,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,128.12 : 1,374,593.69 = 701,738.84 : x
  2. Step 2: Convert to fraction form
    918,128.12/1,374,593.69 = 701,738.84/x
  3. Step 3: Cross multiply
    918,128.12x = 1,374,593.69 × 701,738.84
  4. Step 4: Simplify right side
    918,128.12x = 964,605,786,682.75
  5. Step 5: Solve for x
    x = 964,605,786,682.75/918,128.12
  6. Step 6: Final answer
    x = 1,050,622.21

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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.