Home / 1,217,293.46-1,679,563.14-787,055.88

Finding the Fourth Proportional to 1,217,293.46, 1,679,563.14 and 787,055.88

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Solution

The fourth proportional to 1,217,293.46, 1,679,563.14 and 787,055.88 is: 1,085,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,293.46 : 1,679,563.14 = 787,055.88 : x
  2. Step 2: Convert to fraction form
    1,217,293.46/1,679,563.14 = 787,055.88/x
  3. Step 3: Cross multiply
    1,217,293.46x = 1,679,563.14 × 787,055.88
  4. Step 4: Simplify right side
    1,217,293.46x = 1,321,910,045,168.26
  5. Step 5: Solve for x
    x = 1,321,910,045,168.26/1,217,293.46
  6. Step 6: Final answer
    x = 1,085,941.96

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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.