Home / 1,434,974.22-1,980,264.20-790,394.39

Finding the Fourth Proportional to 1,434,974.22, 1,980,264.20 and 790,394.39

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Solution

The fourth proportional to 1,434,974.22, 1,980,264.20 and 790,394.39 is: 1,090,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,974.22 : 1,980,264.20 = 790,394.39 : x
  2. Step 2: Convert to fraction form
    1,434,974.22/1,980,264.20 = 790,394.39/x
  3. Step 3: Cross multiply
    1,434,974.22x = 1,980,264.20 × 790,394.39
  4. Step 4: Simplify right side
    1,434,974.22x = 1,565,189,700,544.55
  5. Step 5: Solve for x
    x = 1,565,189,700,544.55/1,434,974.22
  6. Step 6: Final answer
    x = 1,090,744.13

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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.