Home / 1,081,058.34-1,621,851.81-761,832.90

Finding the Fourth Proportional to 1,081,058.34, 1,621,851.81 and 761,832.90

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Solution

The fourth proportional to 1,081,058.34, 1,621,851.81 and 761,832.90 is: 1,142,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,058.34 : 1,621,851.81 = 761,832.90 : x
  2. Step 2: Convert to fraction form
    1,081,058.34/1,621,851.81 = 761,832.90/x
  3. Step 3: Cross multiply
    1,081,058.34x = 1,621,851.81 × 761,832.90
  4. Step 4: Simplify right side
    1,081,058.34x = 1,235,580,067,782.55
  5. Step 5: Solve for x
    x = 1,235,580,067,782.55/1,081,058.34
  6. Step 6: Final answer
    x = 1,142,935.60

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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.