Home / 1,380,558.81-2,070,145.25-804,368.60

Finding the Fourth Proportional to 1,380,558.81, 2,070,145.25 and 804,368.60

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Solution

The fourth proportional to 1,380,558.81, 2,070,145.25 and 804,368.60 is: 1,206,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,558.81 : 2,070,145.25 = 804,368.60 : x
  2. Step 2: Convert to fraction form
    1,380,558.81/2,070,145.25 = 804,368.60/x
  3. Step 3: Cross multiply
    1,380,558.81x = 2,070,145.25 × 804,368.60
  4. Step 4: Simplify right side
    1,380,558.81x = 1,665,159,822,166.58
  5. Step 5: Solve for x
    x = 1,665,159,822,166.58/1,380,558.81
  6. Step 6: Final answer
    x = 1,206,149.14

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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.