Home / 1,355,663.56-2,033,138.94-644,276.20

Finding the Fourth Proportional to 1,355,663.56, 2,033,138.94 and 644,276.20

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Solution

The fourth proportional to 1,355,663.56, 2,033,138.94 and 644,276.20 is: 966,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,663.56 : 2,033,138.94 = 644,276.20 : x
  2. Step 2: Convert to fraction form
    1,355,663.56/2,033,138.94 = 644,276.20/x
  3. Step 3: Cross multiply
    1,355,663.56x = 2,033,138.94 × 644,276.20
  4. Step 4: Simplify right side
    1,355,663.56x = 1,309,903,030,335.23
  5. Step 5: Solve for x
    x = 1,309,903,030,335.23/1,355,663.56
  6. Step 6: Final answer
    x = 966,244.92

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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.