Home / 850,960.40-1,275,128.40-738,111.20

Finding the Fourth Proportional to 850,960.40, 1,275,128.40 and 738,111.20

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Solution

The fourth proportional to 850,960.40, 1,275,128.40 and 738,111.20 is: 1,106,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,960.40 : 1,275,128.40 = 738,111.20 : x
  2. Step 2: Convert to fraction form
    850,960.40/1,275,128.40 = 738,111.20/x
  3. Step 3: Cross multiply
    850,960.40x = 1,275,128.40 × 738,111.20
  4. Step 4: Simplify right side
    850,960.40x = 941,186,553,478.08
  5. Step 5: Solve for x
    x = 941,186,553,478.08/850,960.40
  6. Step 6: Final answer
    x = 1,106,028.62

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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.