Home / 1,434,765.90-1,980,066.42-790,185.92

Finding the Fourth Proportional to 1,434,765.90, 1,980,066.42 and 790,185.92

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Solution

The fourth proportional to 1,434,765.90, 1,980,066.42 and 790,185.92 is: 1,090,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,765.90 : 1,980,066.42 = 790,185.92 : x
  2. Step 2: Convert to fraction form
    1,434,765.90/1,980,066.42 = 790,185.92/x
  3. Step 3: Cross multiply
    1,434,765.90x = 1,980,066.42 × 790,185.92
  4. Step 4: Simplify right side
    1,434,765.90x = 1,564,620,610,698.97
  5. Step 5: Solve for x
    x = 1,564,620,610,698.97/1,434,765.90
  6. Step 6: Final answer
    x = 1,090,505.85

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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.