Home / 1,140,748.00-1,711,351.25-421,094.21

Finding the Fourth Proportional to 1,140,748.00, 1,711,351.25 and 421,094.21

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Solution

The fourth proportional to 1,140,748.00, 1,711,351.25 and 421,094.21 is: 631,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,748.00 : 1,711,351.25 = 421,094.21 : x
  2. Step 2: Convert to fraction form
    1,140,748.00/1,711,351.25 = 421,094.21/x
  3. Step 3: Cross multiply
    1,140,748.00x = 1,711,351.25 × 421,094.21
  4. Step 4: Simplify right side
    1,140,748.00x = 720,640,096,270.80
  5. Step 5: Solve for x
    x = 720,640,096,270.80/1,140,748.00
  6. Step 6: Final answer
    x = 631,725.93

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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.