Home / 1,165,107.81-1,745,423.28-714,515.34

Finding the Fourth Proportional to 1,165,107.81, 1,745,423.28 and 714,515.34

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Solution

The fourth proportional to 1,165,107.81, 1,745,423.28 and 714,515.34 is: 1,070,400.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,107.81 : 1,745,423.28 = 714,515.34 : x
  2. Step 2: Convert to fraction form
    1,165,107.81/1,745,423.28 = 714,515.34/x
  3. Step 3: Cross multiply
    1,165,107.81x = 1,745,423.28 × 714,515.34
  4. Step 4: Simplify right side
    1,165,107.81x = 1,247,131,708,353.12
  5. Step 5: Solve for x
    x = 1,247,131,708,353.12/1,165,107.81
  6. Step 6: Final answer
    x = 1,070,400.26

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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.