Home / 1,370,017.29-1,890,577.21-758,195.84

Finding the Fourth Proportional to 1,370,017.29, 1,890,577.21 and 758,195.84

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Solution

The fourth proportional to 1,370,017.29, 1,890,577.21 and 758,195.84 is: 1,046,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,017.29 : 1,890,577.21 = 758,195.84 : x
  2. Step 2: Convert to fraction form
    1,370,017.29/1,890,577.21 = 758,195.84/x
  3. Step 3: Cross multiply
    1,370,017.29x = 1,890,577.21 × 758,195.84
  4. Step 4: Simplify right side
    1,370,017.29x = 1,433,427,780,073.38
  5. Step 5: Solve for x
    x = 1,433,427,780,073.38/1,370,017.29
  6. Step 6: Final answer
    x = 1,046,284.44

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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.