Home / 1,411,782.72-1,948,253.76-767,190.72

Finding the Fourth Proportional to 1,411,782.72, 1,948,253.76 and 767,190.72

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Solution

The fourth proportional to 1,411,782.72, 1,948,253.76 and 767,190.72 is: 1,058,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,782.72 : 1,948,253.76 = 767,190.72 : x
  2. Step 2: Convert to fraction form
    1,411,782.72/1,948,253.76 = 767,190.72/x
  3. Step 3: Cross multiply
    1,411,782.72x = 1,948,253.76 × 767,190.72
  4. Step 4: Simplify right side
    1,411,782.72x = 1,494,682,204,877.11
  5. Step 5: Solve for x
    x = 1,494,682,204,877.11/1,411,782.72
  6. Step 6: Final answer
    x = 1,058,719.72

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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.