Home / 1,109,943-1,664,914.50-361,989

Finding the Fourth Proportional to 1,109,943, 1,664,914.50 and 361,989

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Solution

The fourth proportional to 1,109,943, 1,664,914.50 and 361,989 is: 542,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,943 : 1,664,914.50 = 361,989 : x
  2. Step 2: Convert to fraction form
    1,109,943/1,664,914.50 = 361,989/x
  3. Step 3: Cross multiply
    1,109,943x = 1,664,914.50 × 361,989
  4. Step 4: Simplify right side
    1,109,943x = 602,680,734,940.50
  5. Step 5: Solve for x
    x = 602,680,734,940.50/1,109,943
  6. Step 6: Final answer
    x = 542,983.50

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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.