Home / 1,160,889.22-1,601,973.20-644,675.81

Finding the Fourth Proportional to 1,160,889.22, 1,601,973.20 and 644,675.81

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Solution

The fourth proportional to 1,160,889.22, 1,601,973.20 and 644,675.81 is: 889,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,889.22 : 1,601,973.20 = 644,675.81 : x
  2. Step 2: Convert to fraction form
    1,160,889.22/1,601,973.20 = 644,675.81/x
  3. Step 3: Cross multiply
    1,160,889.22x = 1,601,973.20 × 644,675.81
  4. Step 4: Simplify right side
    1,160,889.22x = 1,032,753,369,294.91
  5. Step 5: Solve for x
    x = 1,032,753,369,294.91/1,160,889.22
  6. Step 6: Final answer
    x = 889,622.67

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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.