Home / 939,783.06-1,407,290.00-787,580.01

Finding the Fourth Proportional to 939,783.06, 1,407,290.00 and 787,580.01

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Solution

The fourth proportional to 939,783.06, 1,407,290.00 and 787,580.01 is: 1,179,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,783.06 : 1,407,290.00 = 787,580.01 : x
  2. Step 2: Convert to fraction form
    939,783.06/1,407,290.00 = 787,580.01/x
  3. Step 3: Cross multiply
    939,783.06x = 1,407,290.00 × 787,580.01
  4. Step 4: Simplify right side
    939,783.06x = 1,108,353,472,765.14
  5. Step 5: Solve for x
    x = 1,108,353,472,765.14/939,783.06
  6. Step 6: Final answer
    x = 1,179,371.62

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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.