Home / 1,232,322.30-1,845,373.05-809,307.90

Finding the Fourth Proportional to 1,232,322.30, 1,845,373.05 and 809,307.90

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Solution

The fourth proportional to 1,232,322.30, 1,845,373.05 and 809,307.90 is: 1,211,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,322.30 : 1,845,373.05 = 809,307.90 : x
  2. Step 2: Convert to fraction form
    1,232,322.30/1,845,373.05 = 809,307.90/x
  3. Step 3: Cross multiply
    1,232,322.30x = 1,845,373.05 × 809,307.90
  4. Step 4: Simplify right side
    1,232,322.30x = 1,493,474,987,812.10
  5. Step 5: Solve for x
    x = 1,493,474,987,812.10/1,232,322.30
  6. Step 6: Final answer
    x = 1,211,919.14

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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.