Home / 1,248,973.55-1,723,625.27-765,445.26

Finding the Fourth Proportional to 1,248,973.55, 1,723,625.27 and 765,445.26

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Solution

The fourth proportional to 1,248,973.55, 1,723,625.27 and 765,445.26 is: 1,056,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,973.55 : 1,723,625.27 = 765,445.26 : x
  2. Step 2: Convert to fraction form
    1,248,973.55/1,723,625.27 = 765,445.26/x
  3. Step 3: Cross multiply
    1,248,973.55x = 1,723,625.27 × 765,445.26
  4. Step 4: Simplify right side
    1,248,973.55x = 1,319,340,789,110.49
  5. Step 5: Solve for x
    x = 1,319,340,789,110.49/1,248,973.55
  6. Step 6: Final answer
    x = 1,056,340.06

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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.