Home / 1,232,390.80-1,845,475.80-809,376.40

Finding the Fourth Proportional to 1,232,390.80, 1,845,475.80 and 809,376.40

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Solution

The fourth proportional to 1,232,390.80, 1,845,475.80 and 809,376.40 is: 1,212,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,390.80 : 1,845,475.80 = 809,376.40 : x
  2. Step 2: Convert to fraction form
    1,232,390.80/1,845,475.80 = 809,376.40/x
  3. Step 3: Cross multiply
    1,232,390.80x = 1,845,475.80 × 809,376.40
  4. Step 4: Simplify right side
    1,232,390.80x = 1,493,684,559,291.12
  5. Step 5: Solve for x
    x = 1,493,684,559,291.12/1,232,390.80
  6. Step 6: Final answer
    x = 1,212,021.84

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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.