Home / 1,345,043.80-1,856,135.10-733,202.20

Finding the Fourth Proportional to 1,345,043.80, 1,856,135.10 and 733,202.20

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Solution

The fourth proportional to 1,345,043.80, 1,856,135.10 and 733,202.20 is: 1,011,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,043.80 : 1,856,135.10 = 733,202.20 : x
  2. Step 2: Convert to fraction form
    1,345,043.80/1,856,135.10 = 733,202.20/x
  3. Step 3: Cross multiply
    1,345,043.80x = 1,856,135.10 × 733,202.20
  4. Step 4: Simplify right side
    1,345,043.80x = 1,360,922,338,817.22
  5. Step 5: Solve for x
    x = 1,360,922,338,817.22/1,345,043.80
  6. Step 6: Final answer
    x = 1,011,805.22

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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.