Home / 1,434,976.22-1,980,266.95-790,396.39

Finding the Fourth Proportional to 1,434,976.22, 1,980,266.95 and 790,396.39

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Solution

The fourth proportional to 1,434,976.22, 1,980,266.95 and 790,396.39 is: 1,090,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,976.22 : 1,980,266.95 = 790,396.39 : x
  2. Step 2: Convert to fraction form
    1,434,976.22/1,980,266.95 = 790,396.39/x
  3. Step 3: Cross multiply
    1,434,976.22x = 1,980,266.95 × 790,396.39
  4. Step 4: Simplify right side
    1,434,976.22x = 1,565,195,848,516.31
  5. Step 5: Solve for x
    x = 1,565,195,848,516.31/1,434,976.22
  6. Step 6: Final answer
    x = 1,090,746.89

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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.