Home / 987,078.51-1,481,207.46-906,771.15

Finding the Fourth Proportional to 987,078.51, 1,481,207.46 and 906,771.15

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Solution

The fourth proportional to 987,078.51, 1,481,207.46 and 906,771.15 is: 1,360,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,078.51 : 1,481,207.46 = 906,771.15 : x
  2. Step 2: Convert to fraction form
    987,078.51/1,481,207.46 = 906,771.15/x
  3. Step 3: Cross multiply
    987,078.51x = 1,481,207.46 × 906,771.15
  4. Step 4: Simplify right side
    987,078.51x = 1,343,116,191,892.78
  5. Step 5: Solve for x
    x = 1,343,116,191,892.78/987,078.51
  6. Step 6: Final answer
    x = 1,360,698.44

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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.