Home / 1,444,155.90-1,992,965.54-790,809.36

Finding the Fourth Proportional to 1,444,155.90, 1,992,965.54 and 790,809.36

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Solution

The fourth proportional to 1,444,155.90, 1,992,965.54 and 790,809.36 is: 1,091,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,155.90 : 1,992,965.54 = 790,809.36 : x
  2. Step 2: Convert to fraction form
    1,444,155.90/1,992,965.54 = 790,809.36/x
  3. Step 3: Cross multiply
    1,444,155.90x = 1,992,965.54 × 790,809.36
  4. Step 4: Simplify right side
    1,444,155.90x = 1,576,055,803,189.45
  5. Step 5: Solve for x
    x = 1,576,055,803,189.45/1,444,155.90
  6. Step 6: Final answer
    x = 1,091,333.56

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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.