Home / 1,180,970.40-1,770,143.40-648,873.30

Finding the Fourth Proportional to 1,180,970.40, 1,770,143.40 and 648,873.30

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Solution

The fourth proportional to 1,180,970.40, 1,770,143.40 and 648,873.30 is: 972,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,970.40 : 1,770,143.40 = 648,873.30 : x
  2. Step 2: Convert to fraction form
    1,180,970.40/1,770,143.40 = 648,873.30/x
  3. Step 3: Cross multiply
    1,180,970.40x = 1,770,143.40 × 648,873.30
  4. Step 4: Simplify right side
    1,180,970.40x = 1,148,598,789,431.22
  5. Step 5: Solve for x
    x = 1,148,598,789,431.22/1,180,970.40
  6. Step 6: Final answer
    x = 972,588.97

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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.