Home / 1,505,151.08-2,258,349.92-831,172.35

Finding the Fourth Proportional to 1,505,151.08, 2,258,349.92 and 831,172.35

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Solution

The fourth proportional to 1,505,151.08, 2,258,349.92 and 831,172.35 is: 1,247,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,151.08 : 2,258,349.92 = 831,172.35 : x
  2. Step 2: Convert to fraction form
    1,505,151.08/2,258,349.92 = 831,172.35/x
  3. Step 3: Cross multiply
    1,505,151.08x = 2,258,349.92 × 831,172.35
  4. Step 4: Simplify right side
    1,505,151.08x = 1,877,078,005,972.85
  5. Step 5: Solve for x
    x = 1,877,078,005,972.85/1,505,151.08
  6. Step 6: Final answer
    x = 1,247,102.72

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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.