Home / 1,434,924.97-1,980,196.37-790,345.15

Finding the Fourth Proportional to 1,434,924.97, 1,980,196.37 and 790,345.15

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Solution

The fourth proportional to 1,434,924.97, 1,980,196.37 and 790,345.15 is: 1,090,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,924.97 : 1,980,196.37 = 790,345.15 : x
  2. Step 2: Convert to fraction form
    1,434,924.97/1,980,196.37 = 790,345.15/x
  3. Step 3: Cross multiply
    1,434,924.97x = 1,980,196.37 × 790,345.15
  4. Step 4: Simplify right side
    1,434,924.97x = 1,565,038,591,138.68
  5. Step 5: Solve for x
    x = 1,565,038,591,138.68/1,434,924.97
  6. Step 6: Final answer
    x = 1,090,676.25

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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.