Home / 1,165,109.81-1,745,426.28-714,517.34

Finding the Fourth Proportional to 1,165,109.81, 1,745,426.28 and 714,517.34

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Solution

The fourth proportional to 1,165,109.81, 1,745,426.28 and 714,517.34 is: 1,070,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,109.81 : 1,745,426.28 = 714,517.34 : x
  2. Step 2: Convert to fraction form
    1,165,109.81/1,745,426.28 = 714,517.34/x
  3. Step 3: Cross multiply
    1,165,109.81x = 1,745,426.28 × 714,517.34
  4. Step 4: Simplify right side
    1,165,109.81x = 1,247,137,342,751.70
  5. Step 5: Solve for x
    x = 1,247,137,342,751.70/1,165,109.81
  6. Step 6: Final answer
    x = 1,070,403.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.