Home / 1,345,238.40-1,856,372.40-733,378.08

Finding the Fourth Proportional to 1,345,238.40, 1,856,372.40 and 733,378.08

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Solution

The fourth proportional to 1,345,238.40, 1,856,372.40 and 733,378.08 is: 1,012,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,238.40 : 1,856,372.40 = 733,378.08 : x
  2. Step 2: Convert to fraction form
    1,345,238.40/1,856,372.40 = 733,378.08/x
  3. Step 3: Cross multiply
    1,345,238.40x = 1,856,372.40 × 733,378.08
  4. Step 4: Simplify right side
    1,345,238.40x = 1,361,422,826,476.99
  5. Step 5: Solve for x
    x = 1,361,422,826,476.99/1,345,238.40
  6. Step 6: Final answer
    x = 1,012,030.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.