Home / 1,543,650.30-2,129,558.31-931,461.90

Finding the Fourth Proportional to 1,543,650.30, 2,129,558.31 and 931,461.90

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Solution

The fourth proportional to 1,543,650.30, 2,129,558.31 and 931,461.90 is: 1,285,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,650.30 : 2,129,558.31 = 931,461.90 : x
  2. Step 2: Convert to fraction form
    1,543,650.30/2,129,558.31 = 931,461.90/x
  3. Step 3: Cross multiply
    1,543,650.30x = 2,129,558.31 × 931,461.90
  4. Step 4: Simplify right side
    1,543,650.30x = 1,983,602,429,593.39
  5. Step 5: Solve for x
    x = 1,983,602,429,593.39/1,543,650.30
  6. Step 6: Final answer
    x = 1,285,007.64

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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.