Home / 1,434,851.12-1,980,107.70-790,273.64

Finding the Fourth Proportional to 1,434,851.12, 1,980,107.70 and 790,273.64

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Solution

The fourth proportional to 1,434,851.12, 1,980,107.70 and 790,273.64 is: 1,090,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,851.12 : 1,980,107.70 = 790,273.64 : x
  2. Step 2: Convert to fraction form
    1,434,851.12/1,980,107.70 = 790,273.64/x
  3. Step 3: Cross multiply
    1,434,851.12x = 1,980,107.70 × 790,273.64
  4. Step 4: Simplify right side
    1,434,851.12x = 1,564,826,919,671.03
  5. Step 5: Solve for x
    x = 1,564,826,919,671.03/1,434,851.12
  6. Step 6: Final answer
    x = 1,090,584.87

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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.