Home / 1,365,868.90-2,050,358.55-805,219.30

Finding the Fourth Proportional to 1,365,868.90, 2,050,358.55 and 805,219.30

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Solution

The fourth proportional to 1,365,868.90, 2,050,358.55 and 805,219.30 is: 1,208,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,868.90 : 2,050,358.55 = 805,219.30 : x
  2. Step 2: Convert to fraction form
    1,365,868.90/2,050,358.55 = 805,219.30/x
  3. Step 3: Cross multiply
    1,365,868.90x = 2,050,358.55 × 805,219.30
  4. Step 4: Simplify right side
    1,365,868.90x = 1,650,988,276,380.02
  5. Step 5: Solve for x
    x = 1,650,988,276,380.02/1,365,868.90
  6. Step 6: Final answer
    x = 1,208,745.79

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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.