Home / 1,261,328.55-1,892,583.31-551,264.32

Finding the Fourth Proportional to 1,261,328.55, 1,892,583.31 and 551,264.32

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Solution

The fourth proportional to 1,261,328.55, 1,892,583.31 and 551,264.32 is: 827,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,328.55 : 1,892,583.31 = 551,264.32 : x
  2. Step 2: Convert to fraction form
    1,261,328.55/1,892,583.31 = 551,264.32/x
  3. Step 3: Cross multiply
    1,261,328.55x = 1,892,583.31 × 551,264.32
  4. Step 4: Simplify right side
    1,261,328.55x = 1,043,313,651,430.50
  5. Step 5: Solve for x
    x = 1,043,313,651,430.50/1,261,328.55
  6. Step 6: Final answer
    x = 827,154.56

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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.