Home / 1,411,745.72-1,948,202.70-767,153.72

Finding the Fourth Proportional to 1,411,745.72, 1,948,202.70 and 767,153.72

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Solution

The fourth proportional to 1,411,745.72, 1,948,202.70 and 767,153.72 is: 1,058,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,745.72 : 1,948,202.70 = 767,153.72 : x
  2. Step 2: Convert to fraction form
    1,411,745.72/1,948,202.70 = 767,153.72/x
  3. Step 3: Cross multiply
    1,411,745.72x = 1,948,202.70 × 767,153.72
  4. Step 4: Simplify right side
    1,411,745.72x = 1,494,570,948,619.04
  5. Step 5: Solve for x
    x = 1,494,570,948,619.04/1,411,745.72
  6. Step 6: Final answer
    x = 1,058,668.66

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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.