Home / 1,163,058.21-1,605,021.27-646,800.86

Finding the Fourth Proportional to 1,163,058.21, 1,605,021.27 and 646,800.86

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Solution

The fourth proportional to 1,163,058.21, 1,605,021.27 and 646,800.86 is: 892,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,058.21 : 1,605,021.27 = 646,800.86 : x
  2. Step 2: Convert to fraction form
    1,163,058.21/1,605,021.27 = 646,800.86/x
  3. Step 3: Cross multiply
    1,163,058.21x = 1,605,021.27 × 646,800.86
  4. Step 4: Simplify right side
    1,163,058.21x = 1,038,129,137,754.29
  5. Step 5: Solve for x
    x = 1,038,129,137,754.29/1,163,058.21
  6. Step 6: Final answer
    x = 892,585.71

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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.